climate change essay hook

10 Example-Hooks for the Introduction to Climate Change College Essay

An essay is only as strong as its hook. If you can’t grab your reader’s attention right within the first few sentences, you won’t have it throughout the rest of the essay, either. Don’t bore your reader! Instead, use a captivating hook to ensnare them from the first few words.

A hook can be something that is intriguing, hilarious, or even shocking. The goal of a hook is to create a powerful emotional connection with the reader. As the writer, you have a few options. You might consider beginning with a series of questions, a challenging statement, a little-known fact, a quotation, or some fascinating background information. For an essay containing an introduction to climate change, consider a few of the following hooks.

Start with a Quote

Find out a famous person who has touched the discussed issue. Make your audience mull over his/her words as well as provide their own thoughts.

Start with a quote : “Climate change is happening, humans are causing it, and I think this is perhaps the most serious environmental issue facing us.”-Bill Nye
Start with a quote : “Humanity faces many threats, but none is greater than climate change. In damaging our climate, we are becoming the architects of our own destruction. We have the knowledge, the tools, and the money (to solve the crisis).”-Prince Charles, U.K.
Start with a quote : “Global warming isn’t a prediction. It is happening.”- James Hansen

Start with a Fact

Provide some interesting information about the particular issue you disclose. This will make your listeners and readers involved in the problem. Make sure the fact is on point and fresh that no one knows about.

Start with a fact : “The planet’s average surface temperature has risen by two degrees Fahrenheit since the 1900s. This change is unrivaled by any others in recorded–or estimated–history.”
Start with a fact : “2016 was the warmest year on record, with eight months setting record temperature highs around the globe.”

Start with a Question

Make your audience discuss the issue. This will help you not only make them interested in the problem but also present their own thoughts that might be also quite catchy to discuss.

Start with a question : “What have you done lately to help prevent global warming?”
Start with a question : “Think about how the weather has changed since you were a child. Has the weather gradually turned warmer? Colder? Perhaps you notice more snowfall or hotter summer temperatures. These are all caused directly by climate change and global warming.”
Start with a question : “How does climate change affect you personally?”

Shock Your Audience

Tell something that will shock your audience. It will make them interested. But again, this has to be a real shock, not something that everyone is talking about for the last three years.

Start with a shock : “Global sea levels have risen eight inches over the last century. In the last two decades alone, the rate of rise has nearly doubled. This is a direct cause of melting ice caps and increased global temperatures. If this rise continues, entire countries, such as Bangladesh, could be underwater.”
Start with a shock : “If everyone in the world lives as Americans do, it would take five Earths to produce enough resources. Just five countries, including the United States, contribute to more than 50 percent of the world’s harmful CO2 emissions.”

What do all of these hooks have in common? They tell you just enough information to get you interested but want to learn more at the same time. It is often difficult to write a stellar hook until you have already–or nearly–finished writing your essay. After all, you often don’t know the direction your paper is going to take until it is completed. Many strong writers wait to write the hook last, as this helps guide the direction of the introduction. Consider drafting a few sample hooks and then choose the best. The best essay will be the one that involves revision and updating–keep trying new hooks until you find the perfect, most intriguing, hook of them all.

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Argumentative Essay Writing

Argumentative Essay About Climate Change

Make Your Case: A Guide to Writing an Argumentative Essay on Climate Change

Published on: Mar 2, 2023

Last updated on: Jan 31, 2024

What is an Argumentative Essay about Climate Change?

The main focus will be on trying to prove that global warming is caused by human activities. Your goal should be to convince your readers that human activity is causing climate change.

To achieve this, you will need to use a variety of research methods to collect data on the topic. You need to make an argument as to why climate change needs to be taken more seriously.

Argumentative Essay Outline about Climate Change

An argumentative essay about climate change requires a student to take an opinionated stance on the subject.

The outline of your paper should include the following sections:

Argumentative Essay About Climate Change Introduction

The first step is to introduce the topic and provide an overview of the main points you will cover in the essay.

This should include a brief description of what climate change is. Furthermore, it should include current research on how humans are contributing to global warming.

An example is:

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Thesis Statement For Climate Change Argumentative Essay

The thesis statement should be a clear and concise description of your opinion on the topic. It should be established early in the essay and reiterated throughout.

For example, an argumentative essay about climate change could have a thesis statement such as:

Climate Change Argumentative Essay Conclusion

The conclusion should restate your thesis statement and summarize the main points of the essay.

It should also provide a call to action, encouraging readers to take steps toward addressing climate change.

For example,

How To Write An Argumentative Essay On Climate Change

Writing an argumentative essay about climate change requires a student to take an opinionated stance on the subject.

Following are the steps to follow for writing an argumentative essay about climate change

Do Your Research

The first step is researching the topic and collecting evidence to back up your argument.

You should look at scientific research, articles, and data on climate change as well as current policy solutions.

Pick A Catchy Title

Once you have gathered your evidence, it is time to pick a title for your essay. It should be specific and concise.

Outline Your Essay

After selecting a title, create an outline of the main points you will include in the essay.

This should include an introduction, body paragraphs that provide evidence for your argument, and a conclusion.

Compose Your Essay

Finally, begin writing your essay. Start with an introduction that provides a brief overview of the main points you will cover and includes your thesis statement.

Then move on to the body paragraphs, providing evidence to back up your argument.

Finally, conclude the essay by restating your thesis statement and summarizing the main points.

Proofread and Revise

Once you have finished writing the essay, it is important to proofread and revise your work.

Check for any spelling or grammatical errors, and make sure the argument is clear and logical.

Finally, consider having someone else read over the essay for a fresh perspective.

By following these steps, you can create an effective argumentative essay on climate change. Good luck!

Examples Of Argumentative Essays About Climate Change

Climate Change is real and happening right now. It is one of the most urgent environmental issues that we face today.

Argumentative essays about this topic can help raise awareness that we need to protect our planet.

Below you will find some examples of argumentative essays on climate change written by CollegeEssay.orgâs expert essay writers.

Argumentative Essay About Climate Change And Global Warming

Persuasive Essay About Climate Change

Argumentative Essay About Climate Change In The Philippines

Argumentative Essay About Climate Change Caused By Humans

Geography Argumentative Essay About Climate Change

Check our extensive blog on argumentative essay examples to ace your next essay!

Good Argumentative Essay Topics About Climate Change

Choosing a great topic is essential to help your readers understand and engage with the issue.

Here are some suggestions:

Should governments fund projects that will reduce the effects of climate change?
Is it too late to stop global warming and climate change?
Are international treaties effective in reducing carbon dioxide emissions?
What are the economic implications of climate change?
Should renewable energy be mandated as a priority over traditional fossil fuels?
How can individuals help reduce their carbon footprint and fight climate change?
Are regulations on industry enough to reduce global warming and climate change?
Could geoengineering be used to mitigate climate change?
What are the social and political effects of global warming and climate change?
Should companies be held accountable for their contribution to climate change?

Check our comprehensive blog on argumentative essay topics to get more topic ideas!

We hope these topics and resources help you write a great argumentative essay about climate change.

Now that you know how to write an argumentative essay about climate change, itâs time to put your skills to the test.

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Frequently Asked Questions

What is a good introduction to climate change.

An introduction to a climate change essay can include a short description of why the topic is important and/or relevant.

It can also provide an overview of what will be discussed in the body of the essay.

The introduction should conclude with a clear, focused thesis statement that outlines the main argument in your essay.

What is a good thesis statement for climate change?

A good thesis statement for a climate change essay should state the main point or argument you will make in your essay.

You could argue that “The science behind climate change is irrefutable and must be addressed by governments, businesses, and individuals.”

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Essay on Climate Change: Check Samples in 100, 250 Words

Updated on
Sep 21, 2023

Writing an essay on climate change is crucial to raise awareness and advocate for action. The world is facing environmental challenges, so in a situation like this such essay topics can serve as s platform to discuss the causes, effects, and solutions to this pressing issue. They offer an opportunity to engage readers in understanding the urgency of mitigating climate change for the sake of our planet’s future.

Must Read: Essay On Environment

Table of Contents

1 What Is Climate Change?
2 What are the Causes of Climate Change?
3 What are the effects of Climate Change?
4 How to fight climate change?
5 Essay On Climate Change in 100 Words
6 Climate Change Sample Essay 250 Words

What Is Climate Change?

Climate change is the significant variation of average weather conditions becoming, for example, warmer, wetter, or drier—over several decades or longer. It may be natural or anthropogenic. However, in recent times, it’s been in the top headlines due to escalations caused by human interference.

What are the Causes of Climate Change?

Obama at the First Session of COP21 rightly quoted “We are the first generation to feel the impact of climate change, and the last generation that can do something about it.”.Identifying the causes of climate change is the first step to take in our fight against climate change. Below stated are some of the causes of climate change:

Greenhouse Gas Emissions: Mainly from burning fossil fuels (coal, oil, and natural gas) for energy and transportation.
Deforestation: The cutting down of trees reduces the planet’s capacity to absorb carbon dioxide.
Industrial Processes: Certain manufacturing activities release potent greenhouse gases.
Agriculture: Livestock and rice cultivation emit methane, a potent greenhouse gas.

What are the effects of Climate Change?

Climate change poses a huge risk to almost all life forms on Earth. The effects of climate change are listed below:

Global Warming: Increased temperatures due to trapped heat from greenhouse gases.
Melting Ice and Rising Sea Levels: Ice caps and glaciers melt, causing oceans to rise.
Extreme Weather Events: More frequent and severe hurricanes, droughts, and wildfires.
Ocean Acidification: Oceans absorb excess CO2, leading to more acidic waters harming marine life.
Disrupted Ecosystems: Shifting climate patterns disrupt habitats and threaten biodiversity.
Food and Water Scarcity: Altered weather affects crop yields and strains water resources.
Human Health Risks: Heat-related illnesses and the spread of diseases.
Economic Impact: Damage to infrastructure and increased disaster-related costs.
Migration and Conflict: Climate-induced displacement and resource competition.

How to fight climate change?

‘Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority,’ says Bill Gates. The below points highlight key actions to combat climate change effectively.

Energy Efficiency: Improve energy efficiency in all sectors.
Protect Forests: Stop deforestation and promote reforestation.
Sustainable Agriculture: Adopt eco-friendly farming practices.
Advocacy: Raise awareness and advocate for climate-friendly policies.
Innovation: Invest in green technologies and research.
Government Policies: Enforce climate-friendly regulations and targets.
Corporate Responsibility: Encourage sustainable business practices.
Individual Action: Reduce personal carbon footprint and inspire others.

Essay On Climate Change in 100 Words

Climate change refers to long-term alterations in Earth’s climate patterns, primarily driven by human activities, such as burning fossil fuels and deforestation, which release greenhouse gases into the atmosphere. These gases trap heat, leading to global warming. The consequences of climate change are widespread and devastating. Rising temperatures cause polar ice caps to melt, contributing to sea level rise and threatening coastal communities. Extreme weather events, like hurricanes and wildfires, become more frequent and severe, endangering lives and livelihoods. Additionally, shifts in weather patterns can disrupt agriculture, leading to food shortages. To combat climate change, global cooperation, renewable energy adoption, and sustainable practices are crucial for a more sustainable future.

Must Read: Essay On Global Warming

Climate Change Sample Essay 250 Words

Climate change represents a pressing global challenge that demands immediate attention and concerted efforts. Human activities, primarily the burning of fossil fuels and deforestation, have significantly increased the concentration of greenhouse gases in the atmosphere. This results in a greenhouse effect, trapping heat and leading to a rise in global temperatures, commonly referred to as global warming.

The consequences of climate change are far-reaching and profound. Rising sea levels threaten coastal communities, displacing millions and endangering vital infrastructure. Extreme weather events, such as hurricanes, droughts, and wildfires, have become more frequent and severe, causing devastating economic and human losses. Disrupted ecosystems affect biodiversity and the availability of vital resources, from clean water to agricultural yields.

Moreover, climate change has serious implications for food and water security. Changing weather patterns disrupt traditional farming practices and strain freshwater resources, potentially leading to conflicts over access to essential commodities.

Addressing climate change necessitates a multifaceted approach. First, countries must reduce their greenhouse gas emissions through the transition to renewable energy sources, increased energy efficiency, and reforestation efforts. International cooperation is crucial to set emission reduction targets and hold nations accountable for meeting them.

In conclusion, climate change is a global crisis with profound and immediate consequences. Urgent action is needed to mitigate its impacts and secure a sustainable future for our planet. By reducing emissions and implementing adaptation strategies, we can protect vulnerable communities, preserve ecosystems, and ensure a livable planet for future generations. The time to act is now.

Climate change refers to long-term shifts in Earth’s climate patterns, primarily driven by human activities like burning fossil fuels and deforestation.

Five key causes of climate change include excessive greenhouse gas emissions from human activities, notably burning fossil fuels and deforestation.

We hope this blog gave you an idea about how to write and present an essay on climate change that puts forth your opinions. The skill of writing an essay comes in handy when appearing for standardized language tests. Thinking of taking one soon? Leverage Edu provides the best online test prep for the same via Leverage Live . Register today to know more!

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6.4 Annotated Student Sample: “Slowing Climate Change” by Shawn Krukowski

Learning outcomes.

By the end of this section, you will be able to:

Identify the features common to proposals.
Analyze the organizational structure of a proposal and how writers develop ideas.
Articulate how writers use and cite evidence to build credibility.
Identify sources of evidence within a text and in source citations.

Introduction

The proposal that follows was written by student Shawn Krukowski for a first-year composition course. Shawn’s assignment was to research a contemporary problem and propose one or more solutions. Deeply concerned about climate change, Shawn chose to research ways to slow the process. In his proposal, he recommends two solutions he thinks are most promising.

Living by Their Own Words

A call to action.

student sample text The earth’s climate is changing. Although the climate has been changing slowly for the past 22,000 years, the rate of change has increased dramatically. Previously, natural climate changes occurred gradually, sometimes extending over thousands of years. Since the mid-20th century, however, climate change has accelerated exponentially, a result primarily of human activities, and is reaching a crisis level. end student sample text

student sample text Critical as it is, however, climate change can be controlled. Thanks to current knowledge of science and existing technologies, it is possible to respond effectively. Although many concerned citizens, companies, and organizations in the private sector are taking action in their own spheres, other individuals, corporations, and organizations are ignoring, or even denying, the problem. What is needed to slow climate change is unified action in two key areas—mitigation and adaptation—spurred by government leadership in the United States and a global commitment to addressing the problem immediately. end student sample text

annotated text Introduction. The proposal opens with an overview of the problem and pivots to the solution in the second paragraph. end annotated text

annotated text Thesis Statement. The thesis statement in last sentence of the introduction previews the organization of the proposal and the recommended solutions. end annotated text

Problem: Negative Effects of Climate Change

annotated text Heading. Centered, boldface headings mark major sections of the proposal. end annotated text

annotated text Body. The three paragraphs under this heading discuss the problem. end annotated text

annotated text Topic Sentence. The paragraph opens with a sentence stating the topics developed in the following paragraphs. end annotated text

student sample text For the 4,000 years leading up to the Industrial Revolution, global temperatures remained relatively constant, with a few dips of less than 1°C. Previous climate change occurred so gradually that life forms were able to adapt to it. Some species became extinct, but others survived and thrived. In just the past 100 years, however, temperatures have risen by approximately the same amount that they rose over the previous 4,000 years. end student sample text

annotated text Audience. Without knowing for sure the extent of readers’ knowledge of climate change, the writer provides background for them to understand the problem. end annotated text

student sample text The rapid increase in temperature has a negative global impact. First, as temperatures rise, glaciers and polar ice are melting at a faster rate; in fact, by the middle of this century, the Arctic Ocean is projected to be ice-free in summer. As a result, global sea levels are projected to rise from two to four feet by 2100 (U.S. Global Change Research Program [USGCRP], 2014a). If this rise actually does happen, many coastal ecosystems and human communities will disappear. end student sample text

annotated text Discussion of the Problem. The first main point of the problem is discussed in this paragraph. end annotated text

annotated text Statistics as Evidence. The writer provides specific numbers and cites the source in APA style. end annotated text

annotated text Transitions . The writer uses transitions here (first, as a result , and second in the next paragraph) and elsewhere to make connections between ideas and to enable readers to follow them more easily. At the same time, the transitions give the proposal coherence. end annotated text

student sample text Second, weather of all types is becoming more extreme: heat waves are hotter, cold snaps are colder, and precipitation patterns are changing, causing longer droughts and increased flooding. Oceans are becoming more acidic as they increase their absorption of carbon dioxide. This change affects coral reefs and other marine life. Since the 1980s, hurricanes have increased in frequency, intensity, and duration. As shown in Figure 6.5, the 2020 hurricane season was the most active on record, with 30 named storms, a recording-breaking 11 storms hitting the U.S. coastline (compared to 9 in 1916), and 10 named storms in September—the highest monthly number on record. Together, these storms caused more than $40 billion in damage. Not only was this the fifth consecutive above-normal hurricane season, it was preceded by four consecutive above-normal years in 1998 to 2001 (National Oceanic and Atmospheric Administration, 2020). end student sample text

annotated text Discussion of the Problem. The second main point of the problem is discussed in this paragraph. end annotated text

annotated text Visual as Evidence. The writer refers to “Figure 6.4” in the text and places the figure below the paragraph. end annotated text

annotated text Source Citation in APA Style: Visual. The writer gives the figure a number, a title, an explanatory note, and a source citation. The source is also cited in the list of references. end annotated text

Solutions: Mitigation and Adaptation

annotated text Heading. The centered, boldface heading marks the start of the solutions section of the proposal. end annotated text

annotated text Body. The eight paragraphs under this heading discuss the solutions given in the thesis statement. end annotated text

student sample text To control the effects of climate change, immediate action in two key ways is needed: mitigation and adaptation. Mitigating climate change by reducing and stabilizing the carbon emissions that produce greenhouse gases is the only long-term way to avoid a disastrous future. In addition, adaptation is imperative to allow ecosystems, food systems, and development to become more sustainable. end student sample text

student sample text Mitigation and adaptation will not happen on their own; action on such a vast scale will require governments around the globe to take initiatives. The United States needs to cooperate with other nations and assume a leadership role in fighting climate change. end student sample text

annotated text Objective Stance. The writer presents evidence (facts, statistics, and examples) in neutral, unemotional language, which builds credibility, or ethos, with readers. end annotated text

annotated text Heading. The flush-left, boldface heading marks the first subsection of the solutions. end annotated text

annotated text Topic Sentence. The paragraph opens with a sentence stating the solution developed in the following paragraphs. end annotated text

student sample text The first challenge is to reduce the flow of greenhouse gases into the atmosphere. The Union of Concerned Scientists (2020) warns that “net zero” carbon emissions—meaning that no more carbon enters the atmosphere than is removed—needs to be reached by 2050 or sooner. As shown in Figure 6.6, reducing carbon emissions will require a massive effort, given the skyrocketing rate of increase of greenhouse gases since 1900 (USGCRP, 2014b). end student sample text

annotated text Synthesis. In this paragraph, the writer synthesizes factual evidence from two sources and cites them in APA style. end annotated text

annotated text Visual as Evidence. The writer refers to “Figure 6.5” in the text and places the figure below the paragraph. end annotated text

student sample text Significant national policy changes must be made and must include multiple approaches; here are two areas of concern: end student sample text

annotated text Presentation of Solutions. For clarity, the writer numbers the two items to be discussed. end annotated text

student sample text 1. Transportation systems. In the United States in 2018, more than one-quarter—28.2 percent—of emissions resulted from the consumption of fossil fuels for transportation. More than half of these emissions came from passenger cars, light-duty trucks, sport utility vehicles, and minivans (U.S. Environmental Protection Agency [EPA], 2020). Priorities for mitigation should include using fuels that emit less carbon; improving fuel efficiency; and reducing the need for travel through urban planning, telecommuting and videoconferencing, and biking and pedestrian initiatives. end student sample text

annotated text Source Citation in APA Style: Group Author. The parenthetical citation gives the group’s name, an abbreviation to be used in subsequent citations, and the year of publication. end annotated text

student sample text Curtailing travel has a demonstrable effect. Scientists have recorded a dramatic drop in emissions during government-imposed travel and business restrictions in 2020. Intended to slow the spread of COVID-19, these restrictions also decreased air pollution significantly. For example, during the first six weeks of restrictions in the San Francisco Bay area, traffic was reduced by about 45 percent, and emissions were roughly a quarter lower than the previous six weeks. Similar findings were observed around the globe, with reductions of up to 80 percent (Bourzac, 2020). end student sample text

annotated text Source Citation in APA Style: One Author. The parenthetical citation gives the author’s name and the year of publication. end annotated text

student sample text 2. Energy production. The second-largest source of emissions is the use of fossil fuels to produce energy, primarily electricity, which accounted for 26.9 percent of U.S. emissions (EPA, 2020). Fossil fuels can be replaced by solar, wind, hydro, and geothermal sources. Solar voltaic systems have the potential to become the least expensive energy in the world (Green America, 2020). Solar sources should be complemented by wind power, which tends to increase at night when the sun is absent. According to the Copenhagen Consensus, the most effective way to combat climate change is to increase investment in green research and development (Lomborg, 2020). Notable are successes in the countries of Morocco and The Gambia, both of which have committed to investing in national programs to limit emissions primarily by generating electricity from renewable sources (Mulvaney, 2019). end student sample text

annotated text Synthesis. The writer develops the paragraph by synthesizing evidence from four sources and cites them in APA style. end annotated text

student sample text A second way to move toward net zero is to actively remove carbon dioxide from the atmosphere. Forests and oceans are so-called “sinks” that collect and store carbon (EPA, 2020). Tropical forests that once made up 12 percent of global land masses now cover only 5 percent, and the loss of these tropical forest sinks has caused 16 to 19 percent of greenhouse gas emissions (Green America, 2020). Worldwide reforestation is vital and demands both commitment and funding on a global scale. New technologies also allow “direct air capture,” which filers carbon from the air, and “carbon capture,” which prevents it from leaving smokestacks. end student sample text

student sample text All of these technologies should be governmentally supported and even mandated, where appropriate. end student sample text

annotated text Synthesis. The writer develops the paragraph by synthesizing evidence from two sources and cites them in APA style. end annotated text

annotated text Heading. The flush-left, boldface heading marks the second subsection of the solutions. end annotated text

student sample text Historically, civilizations have adapted to climate changes, sometimes successfully, sometimes not. Our modern civilization is largely the result of climate stability over the past 12,000 years. However, as the climate changes, humans must learn to adapt on a national, community, and individual level in many areas. While each country sets its own laws and regulations, certain principles apply worldwide. end student sample text

student sample text 1. Infrastructure. Buildings—residential, commercial, and industrial—produce about 33 percent of greenhouse gas emissions worldwide (Biello, 2007). Stricter standards for new construction, plus incentives for investing in insulation and other improvements to existing structures, are needed. Development in high-risk areas needs to be discouraged. Improved roads and transportation systems would help reduce fuel use. Incentives for decreasing energy consumption are needed to reduce rising demands for power. end student sample text

student sample text 2. Food waste. More than 30 percent of the food produced in the United States is never consumed, and food waste causes 44 gigatons of carbon emissions a year (Green America, 2020). In a landfill, the nutrients in wasted food never return to the soil; instead, methane, a greenhouse gas, is produced. High-income countries such as the United States need to address wasteful processing and distribution systems. Low-income countries, on the other hand, need an infrastructure that supports proper food storage and handling. Educating consumers also must be a priority. end student sample text

annotated text Source Citation in APA Style: Group Author. The parenthetical citation gives the group’s name and the year of publication. end annotated text

student sample text 3. Consumerism. People living in consumer nations have become accustomed to abundance. Many purchases are nonessential yet consume fossil fuels to manufacture, package, market, and ship products. During World War II, the U.S. government promoted the slogan “Use It Up, Wear It Out, Make It Do, or Do Without.” This attitude was widely accepted because people recognized a common purpose in the war effort. A similar shift in mindset is needed today. end student sample text

student sample text Adaptation is not only possible but also economically advantageous. One case study is Walmart, which is the world’s largest company by revenue. According to Dearn (2020), the company announced a plan to reduce its global emissions to zero by 2040. Among the goals is powering its facilities with 100 percent renewable energy and using electric vehicles with zero emissions. As of 2020, about 29 percent of its energy is from renewable sources. Although the 2040 goal applies to Walmart facilities only, plans are underway to reduce indirect emissions, such as those from its supply chain. According to CEO Doug McMillon, the company’s commitment is to “becoming a regenerative company—one that works to restore, renew and replenish in addition to preserving our planet, and encourages others to do the same” (Dearn, 2020). In addition to encouraging other corporations, these goals present a challenge to the government to take action on climate change. end student sample text

annotated text Extended Example as Evidence. The writer indicates where borrowed information from the source begins and ends, and cites the source in APA style. end annotated text

annotated text Source Citation in APA Style: One Author. The parenthetical citation gives only the year of publication because the author’s name is cited in the sentence. end annotated text

Objections to Taking Action

annotated text Heading. The centered, boldface heading marks the start of the writer’s discussion of potential objections to the proposed solutions. end annotated text

annotated text Body. The writer devotes two paragraphs to objections. end annotated text

student sample text Despite scientific evidence, some people and groups deny that climate change is real or, if they admit it exists, insist it is not a valid concern. Those who think climate change is not a problem point to Earth’s millennia-long history of changing climate as evidence that life has always persisted. However, their claims do not consider the difference between “then” and “now.” Most of the change predates human civilization, which has benefited from thousands of years of stable climate. The rapid change since the Industrial Revolution is unprecedented in human history. end student sample text

student sample text Those who deny climate change or its dangers seek primarily to relax or remove pollution standards and regulations in order to protect, or maximize profit from, their industries. To date, their lobbying has been successful. For example, the world’s fossil-fuel industry received $5.3 trillion in 2015 alone, while the U.S. wind-energy industry received $12.3 billion in subsidies between 2000 and 2020 (Green America, 2020). end student sample text

Conclusion and Recommendation

annotated text Heading. The centered, boldface heading marks the start of the conclusion and recommendation. end annotated text

annotated text Conclusion and Recommendation. The proposal concludes with a restatement of the proposed solutions and a call to action. end annotated text

student sample text Greenhouse gases can be reduced to acceptable levels; the technology already exists. But that technology cannot function without strong governmental policies prioritizing the environment, coupled with serious investment in research and development of climate-friendly technologies. end student sample text

student sample text The United States government must place its full support behind efforts to reduce greenhouse gasses and mitigate climate change. Rejoining the Paris Agreement is a good first step, but it is not enough. Citizens must demand that their elected officials at the local, state, and national levels accept responsibility to take action on both mitigation and adaptation. Without full governmental support, good intentions fall short of reaching net-zero emissions and cannot achieve the adaptation in attitude and lifestyle necessary for public compliance. There is no alternative to accepting this reality. Addressing climate change is too important to remain optional. end student sample text

Biello, D. (2007, May 25). Combatting climate change: Farming out global warming solutions. Scientific American. https://www.scientificamerican.com/article/combating-climate-change-farming-forestry/

Bourzac, K. (2020, September 25). COVID-19 lockdowns had strange effects on air pollution across the globe. Chemical & Engineering News. https://cen.acs.org/environment/atmospheric-chemistry/COVID-19-lockdowns-had-strange-effects-on-air-pollution-across-the-globe/98/i37

Dearn, G. (2020, September 21). Walmart said it will eliminate its carbon footprint by 2040 — but not for its supply chain, which makes up the bulk of its emissions. Business Insider. https://www.businessinsider.com/walmart-targets-zero-carbon-emissions-2040-not-suppliers-2020-9

Green America (2020). Top 10 solutions to reverse climate change. https://www.greenamerica.org/climate-change-100-reasons-hope/top-10-solutions-reverse-climate-change.

Lomborg, B. (2020, July 17). The alarm about climate change is blinding us to sensible solutions. The Globe and Mail. https://www.theglobeandmail.com/opinion/article-the-alarm-about-climate-change-is-blinding-us-to-sensible-solutions/

Mulvaney, K. (2019, September 19). Climate change report card: These countries are reaching targets. National Geographic . https://www.nationalgeographic.com/environment/2019/09/climate-change-report-card-co2-emissions/

National Oceanic and Atmospheric Administration (2020, November 24). Record-breaking Atlantic hurricane season draws to an end. https://www.noaa.gov/media-release/record-breaking-atlantic-hurricane-season-draws-to-end

Union of Concerned Scientists (2020). Climate solutions. https://www.ucsusa.org/climate/solutions

U.S. Environmental Protection Agency (2020). Sources of greenhouse gas emissions. Greenhouse Gas Emissions. https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions

U.S. Global Change Research Program (2014a). Melting ice. National Climate Assessment. https://nca2014.globalchange.gov/report/our-changing-climate/melting-ice

U.S. Global Change Research Program (2014b). Our changing climate. National Climate Assessment. https://nca2014.globalchange.gov/highlights/report-findings/our-changing-climate#tab1-images

annotated text References Page in APA Style. All sources cited in the text of the report—and only those sources—are listed in alphabetical order with full publication information. See the Handbook for more on APA documentation style. end annotated text

The following link takes you to another model of an annotated sample paper on solutions to animal testing posted by the University of Arizona’s Global Campus Writing Center.

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Introductory essay

Written by the educators who created Climate Change, a brief look at the key facts, tough questions and big ideas in their field. Begin this TED Study with a fascinating read that gives context and clarity to the material.

The greenhouse effect has been detected, and it is changing our climate now. James Hansen, June 24, 1988

The drought that crippled much of the U.S. and Canada in 1988-89 was the costliest natural disaster in U.S. history prior to Hurricane Katrina. It spawned dust storms in the Midwest and forest fires in Yellowstone National Park. That summer, thousands died during an intense heat wave.

It was against this backdrop, on a 101-degree day in the nation's capital, that NASA scientist James Hansen delivered his landmark testimony to the Senate Energy and Natural Resources Committee. The next day, The New York Times ran a headline that read "Global Warming Has Begun, Expert Warns." Coverage of Hansen's testimony by the Times and other national and global media organizations transformed climate change from a relatively obscure scientific topic to one that people began to discuss over dinner, in the pub, at school and at work.

It remained newsworthy over the rest of that pivotal year. Days after Hansen's testimony, the World Meteorological Association (WMO) hosted a conference called "Our Changing Atmosphere," one of the earliest international climate change gatherings. 300 scientists and policy makers representing 46 countries attended. Participants called upon countries to reduce carbon dioxide emissions by 20 percent or more by 2005, and by the end of the year the WMO and the United Nations Environment Program had established the Intergovernmental Panel on Climate Change (IPCC).

British Prime Minister Margaret Thatcher famously became one of the first world leaders to talk about climate change in a speech delivered that September to the Royal Society. "For generations, we have assumed that the efforts of mankind would leave the fundamental equilibrium of the world's systems and atmosphere stable," remarked Thatcher. "But it is possible that… we have unwittingly begun a massive experiment with the system of this planet itself." In this speech and others she gave during the remainder of her tenure, Thatcher advocated for expanded climate research and for policies that would safeguard the environment and promote sustainable development.

As global public awareness of the issue grew in the 1980s and beyond, the science and its significance were vigorously debated. Is there credible evidence that climate change is real? If it's real, when and how will we feel its effects? If it's real, what should be done, and who should do it? (Thatcher herself reversed position many years later, calling climate change "the doomsters' favorite subject" predicated on science that is "extremely obscure" and leading to "worldwide, supra-national socialism.")

Climate change is still hotly contested and the debate is often shrill, with skeptics branded as "climate deniers" and activists derisively labeled "warmists." Tensions are palpable, as when nearly 800 NGO representatives walked out of the 2013 international climate negotiations in Poland.

How has climate change become so politicized? It requires us to tackle thorny ethical and economic dilemmas, like how the least developed nations will cope with the effects of climate change and who should help them. It highlights serious structural issues like how to reckon with entrenched carbon-based industry interests and the connected yet complex resistances to decarbonization efforts. It calls for global governmental collaboration on an unprecedented scale. Atmospheric chemist Rachel Pike comments, "It goes, of course, to the top of our sky, but it goes to the bottom of the ocean, to every corner of the globe. It's every nation, every people. It's political, it's economic, it requires debate; it's scientific, it's engineering. It's the biggest problem you could ever imagine." It's no surprise, then, that climate change prompts a range of individual psychological and collective societal responses—avoidance, fatalism, denial, paralysis and wishful thinking, to name a few.

It's also not surprising that the scientific evidence is contested, given that the indicators of climate change -- like changing precipitation patterns over decadal time scales -- may be difficult for ordinary citizens to detect, and given what's at stake once we acknowledge that those indicators are correct. Initially -- and even today, despite the fact that we've reached the gold standard for scientific certainty -- some have questioned the quantity and quality of the evidence, feeding the public's perception that the science is half-baked. In reality, by the time Hansen delivered his congressional testimony in 1988, he'd been researching the relationship between atmospheric components and temperature since the 1960s, building upon a line of scientific inquiry stretching back at least a century.

A crash course on climate science

During the previous century, French physicist Joseph Fourier (1821) and Irish physicist John Tyndall (1861) described the Earth's natural "greenhouse effect" whereby water vapor and other gases in the atmosphere regulate the planet's surface temperatures. By the end of the 1800s, Swedish chemist Svante Arrhenius had made the prediction that industrialized coal-burning would intensify the natural greenhouse effect. Remarkably, when Arrhenius calculated the quantitative effects on temperature his results were relatively close to what's predicted by modern climate change models.

In the 1930s, British engineer and citizen scientist Guy Callendar demonstrated that global temperatures were rising, using data from more than 140 weather stations around the world. Callendar argued that rising CO2 levels were to blame, but his hypothesis failed to gain widespread acceptance in the scientific community. Two decades later, American researcher Gilbert Plass analyzed the infrared absorption of various gases and created the early computational models suggesting that a 3- to 4-degree rise in temperature would result from doubling the concentration of atmospheric CO2. For the scientists aware of Plass's work, Dave Keeling's findings a few years later were undoubtedly unsettling: the American geochemist provided the first unequivocal proof that atmospheric CO2 levels were increasing, based on analysis of atmospheric samples he collected at the Mauna Loa Observatory in Hawaii.

Many scientists assumed that the world's oceans would absorb the extra atmospheric CO2 that human industry was producing, until American oceanographer Roger Revelle and chemist Hans Suess demonstrated otherwise. The authors of a 1957 National Academy of Sciences climatology report quoted Revelle: "In consuming our fossil fuels at a prodigious rate, our civilization is conducting a grandiose scientific experiment."

Revelle's subsequent testimony before a Congressional committee helped put climate change on the radar of elected officials. In 1965, a presidential advisory panel warned that the greenhouse effect was a "real concern," and the U.S. government's engagement deepened when Nixon established the National Oceanic and Atmospheric Administration (NOAA) in 1970. Political and scientific interest in climate change grew during the ‘70s, culminating in the First World Climate Conference sponsored by the WMO in 1979. The Second World Climate Conference a decade later paved the way for the United Nations Conference on Environment and Development (UNCED) in 1992, where the United Nations Framework Convention on Climate Change (UNFCCC) was launched and the groundwork laid for subsequent international climate change negotiations.

The challenge of communicating climate change

The task of translating climate research for policymakers and the general public has been hampered by multiple definitions of climate change within and outside of the scientific community. As Roger Pielke Jr. argued in his 2005 article " Misdefining climate change: Consequences for science and action ," definitions used by the UNFCCC, IPCC and others profoundly influence public opinion and the range of probable policy choices. Additionally, the conflation of "climate change," "global warming" and "the greenhouse effect" in news coverage has fueled public confusion about how to diagnose and treat the problem. For our purposes here, "climate change" is any change in climate over time due to natural variability or as a result of human activity. This is consistent with the IPCC's use of the term.

Rachel Pike's comment that it's the "biggest problem you could ever imagine" reminds us that climate change is a dense and multifaceted issue. There are facets of climate science and policy where convergent agreement dominates, while in other areas, contentious disagreement has generated worthwhile debate and discussion. The media's conflation of these diverse dimensions into one sweeping issue has contributed to confusion and created a breeding ground for manipulation from outlier viewpoints to inadvertently or deliberately skew public opinion.

It's important that we critically assess who ‘speaks for climate change' and understand their agendas. To the extent that their claims are flatly reported, or that in the name of fairness and balance speakers are frequently placed on equal footing irrespective of their expertise, individuals and organizations have become empowered to speak with authority through mass media. This skews how citizens and policy makers understand climate change issues, the stakes involved and the spectrum of possible actions to take. Cognizant of this, in 2013 the L.A. Times announced it would no longer print letters from climate change detractors. L.A. Times letters editor Paul Thornton wrote, "Simply put, I do my best to keep errors of fact off the letters page; when one does run, a correction is published. Saying "there's no sign humans have caused climate change" is not stating an opinion, it's asserting a factual inaccuracy."

About this TED Studies collection

While poorly communicated information can hamper the ability to make important decisions related to climate change causes and consequences, accurate and engaging information accessed through these TED Talks gives you power: power to understand, power to share your understanding with others, and power to take action.

Here we'll consider the environment as our planet's renewable and non-renewable natural resources, and a support system for the quantity, quality and sustainability of human activities. We'll see science as a systematic enterprise that builds and organizes knowledge, sorting through the unceasing flow of human experience. We'll explore policy as guides for decision making about human management of environment, articulating the principles, intentions, and mandates about who gets what, when and how. And we'll contemplate values as systems of conduct and broad preferences (individual to societal) concerning the morality of outcomes.

We begin with three modules that center our considerations on the climate science. First, through science journalist Lee Hotz's TED Talk, we explore the evidence that the climate is changing. Next, photographer James Balog contributes additional compelling, visible, measurable documentation of certain climate change effects. Balog's talk also highlights critical elements of the certainty/uncertainty debate that has dogged the issue. Third, through the TED Talk by climate scientist James Hansen, we explore the convergent agreement in the scientific community that humans contribute to contemporary climate change.

We continue with three modules exploring the politics of taking action through mitigation, adaptation and cross-cutting market-based, risk-reduction regulatory measures. We start with a TED Talk from former United States Vice President Al Gore, who calls for various ways to reduce our emissions of greenhouse gases into the atmosphere (mitigation). Next, we turn to the TED Talk by environmental lawyer Vicki Arroyo, who suggests ways in which human communities can reduce their vulnerability to climate change and increase resilience (adaptation). Then we consider cross-cutting, often market-based risk reduction efforts by way of a TED Talk from journalist Naomi Klein. Her talk opens a space where we can critically evaluate climate risk reduction endeavors such as the market-based cap and trade proposals that are considered an essential tool by some, and merely a shell game by others.

We finish with two modules that focus our attention on important values and ethics questions. First, former UK Prime Minister Gordon Brown challenges us to build a stronger global society by cutting carbon emissions in a way that is beneficial and equitable to all nations. Finally we turn to sustainabily strategist Johan Rockström's TED Talk about how nine ‘planetary boundaries' (which include climate change) can usefully guide ecosystem and environmental protection for future generations.

Let's begin with a look at the scientific evidence that's being unearthed at" the South Pole; science journalist Lee Hotz takes us there via his TED Talk "Inside an Antarctic time machine."

Inside an Antarctic time machine

Relevant talks.

James Balog

Time-lapse proof of extreme ice loss.

James Hansen

Why i must speak out about climate change.

New thinking on the climate crisis

Vicki Arroyo

Let's prepare for our new climate.

Naomi Klein

Addicted to risk.

Gordon Brown

Global ethic vs. national interest.

Johan Rockström

Let the environment guide our development.

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Our Future Is Now - A Climate Change Essay by Francesca Minicozzi, '21

Francesca Minicozzi (class of 2021) is a Writing/Biology major who plans to study medicine after graduation. She wrote this essay on climate change for WR 355/Travel Writing, which she took while studying abroad in Newcastle in spring 2020. Although the coronavirus pandemic curtailed Francesca’s time abroad, her months in Newcastle prompted her to learn more about climate change. Terre Ryan Associate Professor, Writing Department

Our Future Is Now

By Francesca Minicozzi, '21 Writing and Biology Major

“If you don’t mind me asking, how is the United States preparing for climate change?” my flat mate, Zac, asked me back in March, when we were both still in Newcastle. He and I were accustomed to asking each other about the differences between our home countries; he came from Cambridge, while I originated in Long Island, New York. This was one of our numerous conversations about issues that impact our generation, which we usually discussed while cooking dinner in our communal kitchen. In the moment of our conversation, I did not have as strong an answer for him as I would have liked. Instead, I informed him of the few changes I had witnessed within my home state of New York.

Zac’s response was consistent with his normal, diplomatic self. “I have been following the BBC news in terms of the climate crisis for the past few years. The U.K. has been working hard to transition to renewable energy sources. Similar to the United States, here in the United Kingdom we have converted over to solar panels too. My home does not have solar panels, but a lot of our neighbors have switched to solar energy in the past few years.”

“Our two countries are similar, yet so different,” I thought. Our conversation continued as we prepared our meals, with topics ranging from climate change to the upcoming presidential election to Britain’s exit from the European Union. However, I could not shake the fact that I knew so little about a topic so crucial to my generation.

After I abruptly returned home from the United Kingdom because of the global pandemic, my conversation with my flat mate lingered in my mind. Before the coronavirus surpassed climate change headlines, I had seen the number of internet postings regarding protests to protect the planet dramatically increase. Yet the idea of our planet becoming barren and unlivable in a not-so-distant future had previously upset me to the point where a part of me refused to deal with it. After I returned from studying abroad, I decided to educate myself on the climate crisis.

My quest for climate change knowledge required a thorough understanding of the difference between “climate change” and “global warming.” Climate change is defined as “a pattern of change affecting global or regional climate,” based on “average temperature and rainfall measurements” as well as the frequency of extreme weather events. 1 These varied temperature and weather events link back to both natural incidents and human activity. 2 Likewise, the term global warming was coined “to describe climate change caused by humans.” 3 Not only that, but global warming is most recently attributed to an increase in “global average temperature,” mainly due to greenhouse gas emissions produced by humans. 4

I next questioned why the term “climate change” seemed to take over the term “global warming” in the United States. According to Frank Luntz, a leading Republican consultant, the term “global warming” functions as a rather intimidating phrase. During George W. Bush’s first presidential term, Luntz argued in favor of using the less daunting phrase “climate change” in an attempt to overcome the environmental battle amongst Democrats and Republicans. 5 Since President Bush’s term, Luntz remains just one political consultant out of many politicians who has recognized the need to address climate change. In an article from 2019, Luntz proclaimed that political parties aside, the climate crisis affects everyone. Luntz argued that politicians should steer clear of trying to communicate “the complicated science of climate change,” and instead engage voters by explaining how climate change personally impacts citizens with natural disasters such as hurricanes, tornadoes, and forest fires. 6 He even suggested that a shift away from words like “sustainability” would gear Americans towards what they really want: a “cleaner, safer, healthier” environment. 7

The idea of a cleaner and heathier environment remains easier said than done. The Paris Climate Agreement, introduced in 2015, began the United Nations’ “effort to combat global climate change.” 8 This agreement marked a global initiative to “limit global temperature increase in this century to 2 degrees Celsius above preindustrial levels,” while simultaneously “pursuing means to limit the increase to 1.5 degrees.” 9 Every country on earth has joined together in this agreement for the common purpose of saving our planet. 10 So, what could go wrong here? As much as this sounds like a compelling step in the right direction for climate change, President Donald Trump thought otherwise. In June 2017, President Trump announced the withdrawal of the United States from the Paris Agreement with his proclamation of climate change as a “’hoax’ perpetrated by China.” 11 President Trump continued to question the scientific facts behind climate change, remaining an advocate for the expansion of domestic fossil fuel production. 12 He reversed environmental policies implemented by former President Barack Obama to reduce fossil fuel use. 13

Trump’s actions against the Paris Agreement, however, fail to represent the beliefs of Americans as a whole. The majority of American citizens feel passionate about the fight against climate change. To demonstrate their support, some have gone as far as creating initiatives including America’s Pledge and We Are Still In. 14 Although the United States officially exited the Paris Agreement on November 4, 2020, this withdrawal may not survive permanently. 15 According to experts, our new president “could rejoin in as short as a month’s time.” 16 This offers a glimmer of hope.

The Paris Agreement declares that the United States will reduce greenhouse gas emission levels by 26 to 28 percent by the year 2025. 17 As a leader in greenhouse gas emissions, the United States needs to accept the climate crisis for the serious challenge that it presents and work together with other nations. The concept of working coherently with all nations remains rather tricky; however, I remain optimistic. I think we can learn from how other countries have adapted to the increased heating of our planet. During my recent study abroad experience in the United Kingdom, I was struck by Great Britain’s commitment to combating climate change.

Since the United Kingdom joined the Paris Agreement, the country targets a “net-zero” greenhouse gas emission for 2050. 18 This substantial alteration would mark an 80% reduction of greenhouse gases from 1990, if “clear, stable, and well-designed policies are implemented without interruption.” 19 In order to stay on top of reducing emissions, the United Kingdom tracks electricity and car emissions, “size of onshore and offshore wind farms,” amount of homes and “walls insulated, and boilers upgraded,” as well as the development of government policies, including grants for electric vehicles. 20 A strong grip on this data allows the United Kingdom to target necessary modifications that keep the country on track for 2050. In my brief semester in Newcastle, I took note of these significant changes. The city of Newcastle is small enough that many students and faculty are able to walk or bike to campus and nearby essential shops. However, when driving is unavoidable, the majority of the vehicles used are electric, and many British citizens place a strong emphasis on carpooling to further reduce emissions. The United Kingdom’s determination to severely reduce greenhouse emissions is ambitious and particularly admirable, especially as the United States struggles to shy away from its dependence on fossil fuels.

So how can we, as Americans, stand together to combat global climate change? Here are five adjustments Americans can make to their homes and daily routines that can dramatically make a difference:

Stay cautious of food waste. Studies demonstrate that “Americans throw away up to 40 percent of the food they buy.” 21 By being more mindful of the foods we purchase, opting for leftovers, composting wastes, and donating surplus food to those in need, we can make an individual difference that impacts the greater good. 22
Insulate your home. Insulation functions as a “cost-effective and accessible” method to combat climate change. 23 Homes with modern insulation reduce energy required to heat them, leading to a reduction of emissions and an overall savings; in comparison, older homes can “lose up to 35 percent of heat through their walls.” 24
Switch to LED Lighting. LED stands for “light-emitting diodes,” which use “90 percent less energy than incandescent bulbs and half as much as compact fluorescents.” 25 LED lights create light without producing heat, and therefore do not waste energy. Additionally, these lights have a longer duration than other bulbs, which means they offer a continuing savings. 26
Choose transportation wisely. Choose to walk or bike whenever the option presents itself. If walking or biking is not an option, use an electric or hybrid vehicle which emits less harmful gases. Furthermore, reduce the number of car trips taken, and carpool with others when applicable.
Finally, make your voice heard. The future of our planet remains in our hands, so we might as well use our voices to our advantage. Social media serves as a great platform for this. Moreover, using social media to share helpful hints to combat climate change within your community or to promote an upcoming protest proves beneficial in the long run. If we collectively put our voices to good use, together we can advocate for change.

As many of us are stuck at home due to the COVID-19 pandemic, these suggestions are slightly easier to put into place. With numerous “stay-at-home” orders in effect, Americans have the opportunity to make significant achievements for climate change. Personally, I have taken more precautions towards the amount of food consumed within my household during this pandemic. I have been more aware of food waste, opting for leftovers when too much food remains. Additionally, I have realized how powerful my voice is as a young college student. Now is the opportunity for Americans to share how they feel about climate change. During this unprecedented time, our voice is needed now more than ever in order to make a difference.

However, on a much larger scale, the coronavirus outbreak has shed light on reducing global energy consumption. Reductions in travel, both on the roads and in the air, have triggered a drop in emission rates. In fact, the International Energy Agency predicts a 6 percent decrease in energy consumption around the globe for this year alone. 27 This drop is “equivalent to losing the entire energy demand of India.” 28 Complete lockdowns have lowered the global demand for electricity and slashed CO2 emissions. However, in New York City, the shutdown has only decreased carbon dioxide emissions by 10 percent. 29 This proves that a shift in personal behavior is simply not enough to “fix the carbon emission problem.” 30 Climate policies aimed to reduce fossil fuel production and promote clean technology will be crucial steppingstones to ameliorating climate change effects. Our current reduction of greenhouse gas emissions serves as “the sort of reduction we need every year until net-zero emissions are reached around 2050.” 31 From the start of the coronavirus pandemic, politicians came together for the common good of protecting humanity; this demonstrates that when necessary, global leaders are capable of putting humankind above the economy. 32

After researching statistics comparing the coronavirus to climate change, I thought back to the moment the virus reached pandemic status. I knew that a greater reason underlay all of this global turmoil. Our globe is in dire need of help, and the coronavirus reminds the world of what it means to work together. This pandemic marks a turning point in global efforts to slow down climate change. The methods we enact towards not only stopping the spread of the virus, but slowing down climate change, will ultimately depict how humanity will arise once this pandemic is suppressed. The future of our home planet lies in how we treat it right now.

“Climate Change: What Do All the Terms Mean?,” BBC News (BBC, May 1, 2019), https://www.bbc.com/news/science-environment-48057733 )
Ibid.
Kate Yoder, “Frank Luntz, the GOP's Message Master, Calls for Climate Action,” Grist (Grist, July 26, 2019), https://grist.org/article/the-gops-most-famous-messaging-strategist-calls-for-climate-action
Melissa Denchak, “Paris Climate Agreement: Everything You Need to Know,” NRDC, April 29, 2020, https://www.nrdc.org/stories/paris-climate-agreement-everything-you-need-know)
“Donald J. Trump's Foreign Policy Positions,” Council on Foreign Relations (Council on Foreign Relations), accessed May 7, 2020, https://www.cfr.org/election2020/candidate-tracker/donald-j.-trump?gclid=CjwKCAjw4871BRAjEiwAbxXi21cneTRft_doA5if60euC6QCL7sr-Jwwv76IkgWaUTuyJNx9EzZzRBoCdjsQAvD_BwE#climate and energy )
David Doniger, “Paris Climate Agreement Explained: Does Congress Need to Sign Off?,” NRDC, December 15, 2016, https://www.nrdc.org/experts/david-doniger/paris-climate-agreement-explained-does-congress-need-sign )
“How the UK Is Progressing,” Committee on Climate Change, March 9, 2020, https://www.theccc.org.uk/what-is-climate-change/reducing-carbon-emissions/how-the-uk-is-progressing/)
Ibid.
“Top 10 Ways You Can Fight Climate Change,” Green America, accessed May 7, 2020, https://www.greenamerica.org/your-green-life/10-ways-you-can-fight-climate-change )
Matt McGrath, “Climate Change and Coronavirus: Five Charts about the Biggest Carbon Crash,” BBC News (BBC, May 5, 2020), https://www.bbc.com/news/amp/science-environment-52485712 )
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Three thought-provoking analogies for climate change

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Climate Change Essay for Students and Children

500+ words climate change essay.

Climate change refers to the change in the environmental conditions of the earth. This happens due to many internal and external factors. The climatic change has become a global concern over the last few decades. Besides, these climatic changes affect life on the earth in various ways. These climatic changes are having various impacts on the ecosystem and ecology. Due to these changes, a number of species of plants and animals have gone extinct.

When Did it Start?

The climate started changing a long time ago due to human activities but we came to know about it in the last century. During the last century, we started noticing the climatic change and its effect on human life. We started researching on climate change and came to know that the earth temperature is rising due to a phenomenon called the greenhouse effect. The warming up of earth surface causes many ozone depletion, affect our agriculture , water supply, transportation, and several other problems.

Reason Of Climate Change

Although there are hundreds of reason for the climatic change we are only going to discuss the natural and manmade (human) reasons.

Get the huge list of more than 500 Essay Topics and Ideas

Natural Reasons

These include volcanic eruption , solar radiation, tectonic plate movement, orbital variations. Due to these activities, the geographical condition of an area become quite harmful for life to survive. Also, these activities raise the temperature of the earth to a great extent causing an imbalance in nature.

Human Reasons

Man due to his need and greed has done many activities that not only harm the environment but himself too. Many plant and animal species go extinct due to human activity. Human activities that harm the climate include deforestation, using fossil fuel , industrial waste , a different type of pollution and many more. All these things damage the climate and ecosystem very badly. And many species of animals and birds got extinct or on a verge of extinction due to hunting.

Effects Of Climatic Change

These climatic changes have a negative impact on the environment. The ocean level is rising, glaciers are melting, CO2 in the air is increasing, forest and wildlife are declining, and water life is also getting disturbed due to climatic changes. Apart from that, it is calculated that if this change keeps on going then many species of plants and animals will get extinct. And there will be a heavy loss to the environment.

What will be Future?

If we do not do anything and things continue to go on like right now then a day in future will come when humans will become extinct from the surface of the earth. But instead of neglecting these problems we start acting on then we can save the earth and our future.

Although humans mistake has caused great damage to the climate and ecosystem. But, it is not late to start again and try to undo what we have done until now to damage the environment. And if every human start contributing to the environment then we can be sure of our existence in the future.

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We — Ayana Elizabeth Johnson and Katharine Wilkinson — are climate experts who focus on solutions, leadership and building community.

We are a natural and a social scientist, a Northerner and a Southerner. We’re also both lifelong interdisciplinarians in love with words and the cofounders of The All We Can Save Project , in support of women climate leaders.

Our collaboration has led us to read widely and deeply about the climate crisis that’s facing humanity. Here are 15 of our favorite writings on climate — this eclectic list contains books, essays, a newsletter, a scientific paper, even legislation and they’re all ones we wholeheartedly recommend.

All We Can Save: Truth, Courage, and Solutions for the Climate Crisis coedited by Ayana Elizabeth Johnson and Katharine Wilkinson

We had the honor of editing this collection of 41 essays, 17 poems, quotes and original illustrations — so naturally we love it! But you don’t have to take our word for it. As Rolling Stone said : “Taken together, the breadth of their voices forms a mosaic that honors the complexity of the climate crisis like few, if any, books on the topic have done yet. … The book is a feast of ideas and perspectives, setting a big table for the climate movement, declaring all are welcome.” All We Can Save nourished, educated and transformed us as we shaped its pages, and we can’t wait for it to do the same for you.

Ghost Fishing: An Eco-justice Poetry Anthology edited by Melissa Tuckey

We count ourselves among those who can’t make sense of the climate crisis without the aid of poets, who help us to see more clearly, feel our feelings, catch our breath, and know we’re not alone. This anthology is a magnificent quilt of poems that are made for this moment and all its intersections.

“We Don’t Have to Halt Climate Action to Fight Racism” by Mary Annaïse Heglar

“Climate People,” as she likes to call us, should be grateful that Mary Annaïse Heglar decided a few years back to pick up her pen once more as a writer. All of her essays are necessary reading, but this one is especially so, crafted from Mary’s perspective as a “Black Climate Person.” It’s a powerful articulation of the inextricability of a society that values Black lives and a livable planet for all.

Sacred Instructions: Indigenous Wisdom for Living Spirit-Based Change by Sherri Mitchell — Weh’na Ha’mu Kwasset

Weh’na Ha’mu Kwasset means “she who brings the light,” and Sherri Mitchell does exactly that in this incredible tapestry of a book, which begins with Penawahpskek Nation creation stories and concludes with guidance on what it means to live in a time of prophecy. It is rare that a book so generously shares wisdom, much less wisdom about how we got to where we are, what needs mending, and what a path forward that’s grounded in ancestral ways of knowing and being might look like.

Emergent Strategy: Shaping Change, Changing Worlds by adrienne maree brown

How lucky are we to be contemporaries of adrienne maree brown? Very. This is a book that we come back to time and time again to ground and enliven our work. We love this line from her about oak trees: “Under the earth, always, they reach for each other, they grow such that their roots are intertwined and create a system of strength that is as resilient on a sunny day as it is in a hurricane.” That’s the kind of community we’re trying to nurture.

“Circumstances Affecting the Heat of the Sun’s Rays” by Eunice Newton Foote

Eunice Newton Foote rarely gets the credit she’s due — and she deserves a lot of credit. In fact, we like to think of her as the first climate feminist. In 1856, she connected the dots between carbon dioxide and planetary warming, but science and history forgot (dismissed?) her until recently. This is her original paper, which was published in The American Journal of Science and Arts . Foote was also a signatory to the women’s rights manifesto created at Seneca Falls in 1848, alongside visionaries like Frederick Douglass.

The Drawdown Review by Project Drawdown

Full disclosure: Katharine is The Drawdown Review’ s editor-in-chief and principal writer. But Ayana fully endorses this recommendation — it’s a valuable resource as we charge ahead toward climate solutions. We all need to know what tools are in the toolbox, and The Drawdown Review is the latest compendium of climate solutions that already exist. This publication is beautifully designed, grounded in research, and you can access it for free.

The Green New Deal Resolution by the 116th US Congress

It seems that almost everyone has an opinion about the Green New Deal, but few people have read the actual piece of legislation: House Resolution 109: Recognizing the Duty of the Federal Government to Create a Green New Deal, which was introduced by Rep. Alexandria Ocasio-Cortez and Sen. Ed Markey. The big secret is that it’s only 14 pages! It makes a clear, compelling and concise case for what comprehensive climate policy should look like in the US. We’d love for everyone to read it so we can all have a more grounded discussion about what we might agree and disagree with and chart a course forward.

“Think This Pandemic Is Bad? We Have Another Crisis Coming” by Rhiana Gunn-Wright

Speaking of policy … this op-ed , penned by Rhiana Gunn-Wright, who is one of the policy leads for the Green New Deal, makes the connections between climate, justice, COVID-19 and our recession as clear as day. She lays out an ironclad case for the the need to address these issues together, and why. As she writes, “We need to design the stimulus not only to help the US economy recover but to also become more resilient to the climate crisis, the next multitrillion-dollar crisis headed our way.”

“How Can We Plan for a Future in California?” by Leah Stokes

In the midst of raging fires and continuing pandemic, UC Santa Barbara Professor Leah Stokes, who’s based in Santa Barbara, lays it plain in her piece : “I don’t want to live in a world where we have to decide which mask to wear for which disaster, but this is the world we are making. And we’ve only started to alter the climate. Imagine what it will be like when we’ve doubled or tripled the warming, as we are on track to do.” As she and others have been pointing out, journalists have been failing to make the critical connection: “What’s happening in California has a name: climate change.”

HEATED by Emily Atkin

This is the reading rec that keeps on giving, literally — it’s a daily newsletter that brings climate accountability journalism right to your inbox. It’s chock full of smarts, spunk, truth-telling and super timely writing that isn’t hemmed in by media overlords. If you’re pissed off about the climate crisis, Emily Atkin made HEATED just for you.

The July 20 2020 Issue of TIME Magazine

This entire issue, titled “One Last Chance”, is dedicated to coverage of climate, and it includes wise words from so many luminaries from politician Stacey Abrams to soil scientist Asmeret Asefaw Berhe , with a lead piece by Time ’s climate journalist Justin Worland. Ayana also has a piece in this issue called “ We Can’t Solve the Climate Crisis Unless Black Lives Matter .” To see all of this collected in one place — insights on topics from oceans to agriculture to politics to activism — was heartening. We hope there’s much more of this to come, from many magazines.

“Wakanda Doesn’t Have Suburbs” by Kendra Pierre Louis

A pop-culture connoisseur and expert storyteller, Kendra Pierre Louis takes up the topic of climate stories in her essay — the good, the bad, and the ugly. The good, she explains, are all too rare, and that’s a big problem because stories are powerful. Black Panther may be our best story of living thoughtfully and well on this planet, not least thanks to an absence of carbon-spewing suburbs. It’s going to take much better narratives, and many more of them, if humans are to, as she puts it, “repair our relationship with the Earth and re-envision our societies in ways that are not just in keeping with our ecosystems but also make our lives better.” !

“We Need Courage, Not Hope, to Face Climate Change” by Kate Marvel PhD

This piece by NASA climate scientist Kate Marvel is, as the kids say, a whole mood. Hope is not enough, hope is often passive, and that won’t get us where we need to go. Pretty much everyone who works on climate is constantly being asked what gives us hope — how presumptuous to assume we have it! But what we do have is courage. In spades. As Marvel writes in this poetic piece: “We need courage, not hope. Grief, after all, is the cost of being alive. We are all fated to live lives shot through with sadness, and are not worth less for it. Courage is the resolve to do well without the assurance of a happy ending.”

Truth, Courage, and Solutions for the Climate Crisis

Admittedly, this last recommendation isn’t something to read, but to watch and listen to. This playlist of TED Talks by women climate leaders (who were all contributors to our anthology All We Can Save — read about it above) will inspire you, deepen your understanding, connect the dots and help you find where you might fit into the heaps of climate work that needs doing. It includes poignant talks by Colette Pichon Battle and Christine Nieves Rodriguez , which are respectively about communities in Louisiana and Puerto Rico recovering from hurricanes and rebuilding resilience and which broke our hearts open. We were so moved we invited them to adapt their talks into essays for All We Can Save . Christine’s piece — “Community is Our Best Chance” — is the final essay in the book and the note we want to end on here. It’s not about what each of us can do as individuals to address the climate crisis; it’s about what we can do together . Building community around solutions is the most important thing.

Watch Ayana Elizabeth Johnson’s TED Talk here:

Watch Katharine Wilkinson’s TED Talk here:

About the authors

Ayana Elizabeth Johnson PhD is a marine biologist, policy expert and Brooklyn native. She is founder of the nonprofit think tank Urban Ocean Lab, founder and CEO of the consultancy Ocean Collectiv and cocreator and cohost of the Spotify/Gimlet podcast How to Save a Planet. She coedited the anthology All We Can Save and cofounded The All We Can Save Project in support of women climate leaders. Her mission is to build community around climate solutions. Find her @ayanaeliza.

Katharine Wilkinson PhD is an author, strategist, teacher and one of 15 “women who will save the world,” according to Time magazine. Her writings on climate include The Drawdown Review, the New York Times bestseller Drawdown and Between God & Green. She is coeditor of All We Can Save and co founder of The All We Can Save Project, in support of women climate leaders. Wilkinson is a former Rhodes Scholar. Find her @DrKWilkinson.

ayana elizabeth johnson
climate change
katharine wilkinson
reading list
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Essay on Climate Change

Climate Change Essay - The globe is growing increasingly sensitive to climate change. It is currently a serious worldwide concern. The term "Climate Change" describes changes to the earth's climate. It explains the atmospheric changes that have occurred across time, spanning from decades to millions of years. Here are some sample essays on climate change.

100 Words Essay on Climate Change

200 words essay on climate change, 500 words essay on climate change.

The climatic conditions on Earth are changing due to climate change. Several internal and external variables, such as solar radiation, variations in the Earth's orbit, volcanic eruptions, plate tectonics, etc., are to blame for this.

There are strategies for climate change reduction. If not implemented, the weather might get worse, there might be water scarcity, there could be lower agricultural output, and it might affect people's ability to make a living. In order to breathe clean air and drink pure water, you must concentrate on limiting human activity. These are the simple measures that may be taken to safeguard the environment and its resources.

The climate of the Earth has changed significantly over time. While some of these changes were brought on by natural events like volcanic eruptions, floods, forest fires, etc., many of the changes were brought on by human activity. The burning of fossil fuels, domesticating livestock, and other human activities produce a significant quantity of greenhouse gases. This results in an increase of greenhouse effect and global warming which are the major causes for climate change.

Reasons of Climate Change

Some of the reasons of climate change are:

Deforestation

Excessive use of fossil fuels

Water and soil pollution

Plastic and other non biodegradable waste

Wildlife and nature extinction

Consequences of Climate Change

All kinds of life on earth will be affected by climate change if it continues to change at the same pace. The earth's temperature will increase, the monsoon patterns will shift, the sea level will rise, and there will be more frequent storms, volcano eruptions, and other natural calamities. The earth's biological and ecological equilibrium will be disturbed. Humans won't be able to access clean water or air to breathe when the environment becomes contaminated. The end of life on this earth is imminent. To reduce the issue of climate change, we need to bring social awareness along with strict measures to protect and preserve the natural environment.

A shift in the world's climatic pattern is referred to as climate change. Over the centuries, the climate pattern of our planet has undergone modifications. The amount of carbon dioxide in the atmosphere has significantly grown.

When Did Climate Change Begin

It is possible to see signs of climate change as early as the beginning of the industrial revolution. The pace at which the manufacturers produced things on a large scale required a significant amount of raw materials. Since the raw materials being transformed into finished products now have such huge potential for profit, these business models have spread quickly over the world. Hazardous substances and chemicals build up in the environment as a result of company emissions and waste disposal.

Although climate change is a natural occurrence, it is evident that human activity is turning into the primary cause of the current climate change situation. The major cause is the growing population. Natural resources are utilised more and more as a result of the population's fast growth placing a heavy burden on the available resources. Over time, as more and more products and services are created, pollution will eventually increase.

Causes of Climate Change

There are a number of factors that have contributed towards weather change in the past and continue to do so. Let us look at a few:

Solar Radiation |The climate of earth is determined by how quickly the sun's energy is absorbed and distributed throughout space. This energy is transmitted throughout the world by the winds, ocean currents etc which affects the climatic conditions of the world. Changes in solar intensity have an effect on the world's climate.

Deforestation | The atmosphere's carbon dioxide is stored by trees. As a result of their destruction, carbon dioxide builds up more quickly since there are no trees to absorb it. Additionally, trees release the carbon they stored when we burn them.

Agriculture | Many kinds of greenhouse gases are released into the atmosphere by growing crops and raising livestock. Animals, for instance, create methane, a greenhouse gas that is 30 times more potent than carbon dioxide. The nitrous oxide used in fertilisers is roughly 300 times more strong than carbon dioxide.

How to Prevent Climate Change

We need to look out for drastic steps to stop climate change since it is affecting the resources and life on our planet. We can stop climate change if the right solutions are put in place. Here are some strategies for reducing climate change:

Raising public awareness of climate change

Prohibiting tree-cutting and deforestation.

Ensure the surroundings are clean.

Refrain from using chemical fertilisers.

Water and other natural resource waste should be reduced.

Protect the animals and plants.

Purchase energy-efficient goods and equipment.

Increase the number of trees in the neighbourhood and its surroundings.

Follow the law and safeguard the environment's resources.

Reduce the amount of energy you use.

During the last few decades especially, climate change has grown to be of concern. Global concern has been raised over changes in the Earth's climatic pattern. The causes of climate change are numerous, as well as the effects of it and it is our responsibility as inhabitants of this planet to look after its well being and leave it in a better condition for future generations.

Explore Career Options (By Industry)

Construction
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Information Technology

Data Administrator

Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

Bio Medical Engineer

The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary.

Ethical Hacker

A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

GIS officer work on various GIS software to conduct a study and gather spatial and non-spatial information. GIS experts update the GIS data and maintain it. The databases include aerial or satellite imagery, latitudinal and longitudinal coordinates, and manually digitized images of maps. In a career as GIS expert, one is responsible for creating online and mobile maps.

Data Analyst

The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

Geothermal Engineer

Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.

Database Architect

If you are intrigued by the programming world and are interested in developing communications networks then a career as database architect may be a good option for you. Data architect roles and responsibilities include building design models for data communication networks. Wide Area Networks (WANs), local area networks (LANs), and intranets are included in the database networks. It is expected that database architects will have in-depth knowledge of a company's business to develop a network to fulfil the requirements of the organisation. Stay tuned as we look at the larger picture and give you more information on what is db architecture, why you should pursue database architecture, what to expect from such a degree and what your job opportunities will be after graduation. Here, we will be discussing how to become a data architect. Students can visit NIT Trichy , IIT Kharagpur , JMI New Delhi .

Remote Sensing Technician

Individuals who opt for a career as a remote sensing technician possess unique personalities. Remote sensing analysts seem to be rational human beings, they are strong, independent, persistent, sincere, realistic and resourceful. Some of them are analytical as well, which means they are intelligent, introspective and inquisitive.

Remote sensing scientists use remote sensing technology to support scientists in fields such as community planning, flight planning or the management of natural resources. Analysing data collected from aircraft, satellites or ground-based platforms using statistical analysis software, image analysis software or Geographic Information Systems (GIS) is a significant part of their work. Do you want to learn how to become remote sensing technician? There's no need to be concerned; we've devised a simple remote sensing technician career path for you. Scroll through the pages and read.

Budget Analyst

Budget analysis, in a nutshell, entails thoroughly analyzing the details of a financial budget. The budget analysis aims to better understand and manage revenue. Budget analysts assist in the achievement of financial targets, the preservation of profitability, and the pursuit of long-term growth for a business. Budget analysts generally have a bachelor's degree in accounting, finance, economics, or a closely related field. Knowledge of Financial Management is of prime importance in this career.

Underwriter

An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.

Finance Executive

Product manager.

A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.

Operations Manager

Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

Stock Analyst

Individuals who opt for a career as a stock analyst examine the company's investments makes decisions and keep track of financial securities. The nature of such investments will differ from one business to the next. Individuals in the stock analyst career use data mining to forecast a company's profits and revenues, advise clients on whether to buy or sell, participate in seminars, and discussing financial matters with executives and evaluate annual reports.

A Researcher is a professional who is responsible for collecting data and information by reviewing the literature and conducting experiments and surveys. He or she uses various methodological processes to provide accurate data and information that is utilised by academicians and other industry professionals. Here, we will discuss what is a researcher, the researcher's salary, types of researchers.

Welding Engineer

Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues.

Transportation Planner

A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

Environmental Engineer

Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems.

Safety Manager

A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.

Conservation Architect

A Conservation Architect is a professional responsible for conserving and restoring buildings or monuments having a historic value. He or she applies techniques to document and stabilise the object’s state without any further damage. A Conservation Architect restores the monuments and heritage buildings to bring them back to their original state.

Structural Engineer

A Structural Engineer designs buildings, bridges, and other related structures. He or she analyzes the structures and makes sure the structures are strong enough to be used by the people. A career as a Structural Engineer requires working in the construction process. It comes under the civil engineering discipline. A Structure Engineer creates structural models with the help of computer-aided design software.

Highway Engineer

Highway Engineer Job Description: A Highway Engineer is a civil engineer who specialises in planning and building thousands of miles of roads that support connectivity and allow transportation across the country. He or she ensures that traffic management schemes are effectively planned concerning economic sustainability and successful implementation.

Field Surveyor

Are you searching for a Field Surveyor Job Description? A Field Surveyor is a professional responsible for conducting field surveys for various places or geographical conditions. He or she collects the required data and information as per the instructions given by senior officials.

Orthotist and Prosthetist

Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

Pathologist

A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.

Veterinary Doctor

Speech therapist, gynaecologist.

Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth.

Audiologist

The audiologist career involves audiology professionals who are responsible to treat hearing loss and proactively preventing the relevant damage. Individuals who opt for a career as an audiologist use various testing strategies with the aim to determine if someone has a normal sensitivity to sounds or not. After the identification of hearing loss, a hearing doctor is required to determine which sections of the hearing are affected, to what extent they are affected, and where the wound causing the hearing loss is found. As soon as the hearing loss is identified, the patients are provided with recommendations for interventions and rehabilitation such as hearing aids, cochlear implants, and appropriate medical referrals. While audiology is a branch of science that studies and researches hearing, balance, and related disorders.

An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

Are you searching for an ‘Anatomist job description’? An Anatomist is a research professional who applies the laws of biological science to determine the ability of bodies of various living organisms including animals and humans to regenerate the damaged or destroyed organs. If you want to know what does an anatomist do, then read the entire article, where we will answer all your questions.

For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs.

Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.

Video Game Designer

Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages.

Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

Radio Jockey

Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.

A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

Choreographer

The word “choreography" actually comes from Greek words that mean “dance writing." Individuals who opt for a career as a choreographer create and direct original dances, in addition to developing interpretations of existing dances. A Choreographer dances and utilises his or her creativity in other aspects of dance performance. For example, he or she may work with the music director to select music or collaborate with other famous choreographers to enhance such performance elements as lighting, costume and set design.

Social Media Manager

A career as social media manager involves implementing the company’s or brand’s marketing plan across all social media channels. Social media managers help in building or improving a brand’s or a company’s website traffic, build brand awareness, create and implement marketing and brand strategy. Social media managers are key to important social communication as well.

Photographer

Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.

An individual who is pursuing a career as a producer is responsible for managing the business aspects of production. They are involved in each aspect of production from its inception to deception. Famous movie producers review the script, recommend changes and visualise the story.

They are responsible for overseeing the finance involved in the project and distributing the film for broadcasting on various platforms. A career as a producer is quite fulfilling as well as exhaustive in terms of playing different roles in order for a production to be successful. Famous movie producers are responsible for hiring creative and technical personnel on contract basis.

Copy Writer

In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism , Advertising , Marketing Management . Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook.

In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion.

Ever since internet costs got reduced the viewership for these types of content has increased on a large scale. Therefore, a career as a vlogger has a lot to offer. If you want to know more about the Vlogger eligibility, roles and responsibilities then continue reading the article.

For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.

Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

Individuals who opt for a career as a reporter may often be at work on national holidays and festivities. He or she pitches various story ideas and covers news stories in risky situations. Students can pursue a BMC (Bachelor of Mass Communication) , B.M.M. (Bachelor of Mass Media) , or MAJMC (MA in Journalism and Mass Communication) to become a reporter. While we sit at home reporters travel to locations to collect information that carries a news value.

Corporate Executive

Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.

Multimedia Specialist

A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications.

Quality Controller

A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product.

A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.

Production Manager

A QA Lead is in charge of the QA Team. The role of QA Lead comes with the responsibility of assessing services and products in order to determine that he or she meets the quality standards. He or she develops, implements and manages test plans.

Process Development Engineer

The Process Development Engineers design, implement, manufacture, mine, and other production systems using technical knowledge and expertise in the industry. They use computer modeling software to test technologies and machinery. An individual who is opting career as Process Development Engineer is responsible for developing cost-effective and efficient processes. They also monitor the production process and ensure it functions smoothly and efficiently.

AWS Solution Architect

An AWS Solution Architect is someone who specializes in developing and implementing cloud computing systems. He or she has a good understanding of the various aspects of cloud computing and can confidently deploy and manage their systems. He or she troubleshoots the issues and evaluates the risk from the third party.

Azure Administrator

An Azure Administrator is a professional responsible for implementing, monitoring, and maintaining Azure Solutions. He or she manages cloud infrastructure service instances and various cloud servers as well as sets up public and private cloud systems.

Computer Programmer

Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.

Information Security Manager

Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack

ITSM Manager

Automation test engineer.

An Automation Test Engineer job involves executing automated test scripts. He or she identifies the project’s problems and troubleshoots them. The role involves documenting the defect using management tools. He or she works with the application team in order to resolve any issues arising during the testing process.

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The research highlights the urgent issue of cultural heritage being at risk from climate change, and explores best practices to protect against these effects focusing on East Africa.

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This research considers how national cultural policy can strengthen the creative climate movement, and thereby mobilise action at scale.

The research showcases the voices of more than 8,000 young people, from 23 countries, whose views have contributed to the Global Youth Letter on Climate Action.

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Climate Change Essay

500+ words essay on climate change.

Climate change is a major global challenge today, and the world is becoming more vulnerable to this change. Climate change refers to the changes in Earth’s climate condition. It describes the changes in the atmosphere which have taken place over a period ranging from decades to millions of years. A recent report from the United Nations predicted that the average global temperature could increase by 6˚ Celsius at the end of the century. Climate change has an adverse effect on the environment and ecosystem. With the help of this essay, students will get to know the causes and effects of climate change and possible solutions. Also, they will be able to write essays on similar topics and can boost their writing skills.

What Causes Climate Change?

The Earth’s climate has always changed and evolved. Some of these changes have been due to natural causes such as volcanic eruptions, floods, forest fires etc., but quite a few of them are due to human activities. Human activities such as deforestation, burning fossil fuels, farming livestock etc., generate an enormous amount of greenhouse gases. This results in the greenhouse effect and global warming which are the major causes of climate change.

Effects of Climate Change

If the current situation of climate change continues in a similar manner, then it will impact all forms of life on the earth. The earth’s temperature will rise, the monsoon patterns will change, sea levels will rise, and storms, volcanic eruptions and natural disasters will occur frequently. The biological and ecological balance of the earth will get disturbed. The environment will get polluted and humans will not be able to get fresh air to breathe and fresh water to drink. Life on earth will come to an end.

Steps to be Taken to Reduce Climate Change

The Government of India has taken many measures to improve the dire situation of Climate Change. The Ministry of Environment and Forests is the nodal agency for climate change issues in India. It has initiated several climate-friendly measures, particularly in the area of renewable energy. India took several steps and policy initiatives to create awareness about climate change and help capacity building for adaptation measures. It has initiated a “Green India” programme under which various trees are planted to make the forest land more green and fertile.

We need to follow the path of sustainable development to effectively address the concerns of climate change. We need to minimise the use of fossil fuels, which is the major cause of global warming. We must adopt alternative sources of energy, such as hydropower, solar and wind energy to make a progressive transition to clean energy. Mahatma Gandhi said that “Earth provides enough to satisfy every man’s need, but not any man’s greed”. With this view, we must remodel our outlook and achieve the goal of sustainable development. By adopting clean technologies, equitable distribution of resources and addressing the issues of equity and justice, we can make our developmental process more harmonious with nature.

We hope students liked this essay on Climate Change and gathered useful information on this topic so that they can write essays in their own words. To get more study material related to the CBSE, ICSE, State Board and Competitive exams, keep visiting the BYJU’S website.

Frequently Asked Questions on climate change Essay

What are the reasons for climate change.

1. Deforestation 2. Excessive usage of fossil fuels 3. Water, Soil pollution 4. Plastic and other non-biodegradable waste 5. Wildlife and nature extinction

How can we save this climate change situation?

1. Avoid over usage of natural resources 2. Do not use or buy items made from animals 3. Avoid plastic usage and pollution

Are there any natural causes for climate change?

Yes, some of the natural causes for climate change are: 1. Solar variations 2. Volcanic eruption and tsunamis 3. Earth’s orbital changes

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Ecological Impacts of Climate Change (2008)

Chapter: 1 introduction.

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

1 Introduction The worldâs climate is changing, and it will continue to change throughout the 21st century and beyond. Rising temperatures, new precipitation patterns, and other changes are already affecting many aspects of human society and the natural world. Climate change is transforming ecosystems at extraordinary rates and scales. As each species responds to its changing environment, its interactions with the physical world and the creatures around it changeâtriggering a cascade of impacts throughout the ecosystem, such as expansion into new areas, the intermingling of formerly non-overlapping species, and even species extinctions Climate change is happening on a global scale, but the ecological impacts are often local and vary from place to place. To illuminate how climate change has affected specific species and ecosystems, this document presents a series of examples of ecological impacts of climate change that have already been observed across the United States. Human actions have been a primary cause of the climate changes observed today, but humans are capable of changing our behavior in ways that reduce the rate of future climate change. Human actions are also needed to help wild species adapt to climate changes that cannot be avoided. Our approaches to energy, agriculture, water management, fishing, biological conservation, and many other activities will all affect the ways and extent to which climate change will alter the natural worldâand the ecosystems on which we depend. What are ecosystems and why are they important? Humans share Earth with a vast diversity of animals, plants, and microorganisms. Virtually every part of the planetââthe continents, the oceans, and the atmosphereââteems with life. Even the deepest parts of the ocean and rock formations hundreds of meters below the surface are populated with organisms adapted to cope with the unique challenges each environment presents. In our era organisms almost everywhere are facing a new set of challenges; specifically, the challenges presented by rapid climate change. How have plants, animals, and microorganisms coped with the climate changes that have already occurred, and how might they cope with future changes? To explore these questions we start with a discussion of how plants, animals, and microorganisms fit together in ecosystems and the role of climate in those relationships. Earth has a great diversity of habitats. These differ in climate, of course, but also in soils, day length, elevation, water sources, chemistry, and many other factors, and consequently, in the kinds of organisms that inhabit them. The animals, plants, and microorganisms that live in one place, along with the water, soils, and landforms, make an ecosystem. When we attempt to understand the impacts of climate change, thinking about ecosystemsââand not just individual speciesââcan be helpful because each ecosystem depends on a wide array of interactions among individuals. Some of these involve competition. For example, some plants shade others or several animals compete for the same scarce food. Some involve relationships between animals and their prey. Others involve decomposition, the process of decay that returns minerals and organic matter to the soil. And some interactions are beneficial to both partners, for example, bees that obtain food from flowers while pollinating them. Climate influences ecosystems and the species that inhabit them in many ways. In general, each type of ecosystem is consistently associated with a particular combination of climate characteristics (Walter 1968). Warm tropical lands with year-round rain typically support

2 Introduction tall forests with evergreen broadleaved trees. Midlatitude lands with cold winters and moist summers usually support deciduous forests, while drier areas are covered in grasslands, shrublands, or conifer forests. In a similar fashion shallow tropical-ocean waters harbor coral reefs on rocky bottoms and mangrove forests along muddy shores, whereas temperate shores are characterized by kelp forests on rocky bottoms and seagrasses or salt marshes on sediment- covered bottoms. These major vegetation types or biomes can cover vast areas. Within these areas a wide range of subtly different ecosystems utilize sites with different soils, topography, land-use history, ocean currents, or climate details. Humans are an important part of most ecosystems, and many ecosystems have been heavily modified by humans. A plot of intensively managed farmland, a fish pond, and a grazed grassland are just as much ecosystems as is a pristine tropical forest. All are influenced by climate, all depend on a wide variety of interactions, and all provide essential benefits to people. The lives of animals, plants, and microorganisms are strongly attuned to changes in climate, such as variation in temperatures; the amount, timing, or form of precipitation; or changes in ocean currents. Some are more sensitive and vulnerable to climate fluctuations than others. If the climate change is modest and slow, the majority of species will most likely adapt successfully. If the climate change is large or rapid, more and more species will face ecological changes to which they may not be able to adapt. But as we will see later, even modest impacts of climate change can cause a range of significant responses, even if the changes are not so harsh that the organism dies. Organisms may react to a shift in temperature or precipitation by altering the timing of an event like migration or leaf emergence, which in turn has effects that ripple out to other parts of the ecosystem. For example, such timing changes may alter the interactions between predator and prey, or plants (including many crops) and the insects that pollinate their flowers. Ultimately we want to understand how climate change alters the overall functioning of the ecosystem and in particular how it alters the ability of the ecosystem to provide valuable services for humans. Ecosystems play a central role in sustaining humans (Figure 1) (Daily 1997; Millennium Ecosystem Assessment 2005). Ecosystems provide products directly consumed by people. This includes food and fiber from agricultural, marine, and forest ecosystems, plus fuel, including wood, grass, and even waste from some agricultural crops, and medicines (from plants, animals and seaweeds). Our supply and quality of fresh water also depends on ecosystems, as they play a critical role in circulating, cleaning, and replenishing water supplies. Ecosystems also regulate our environment; for example, forests, floodplains, and streamside vegetation can be critically important in controlling risks from floods; likewise, mangroves, kelp forests, and coral reefs dampen the impact of storms on coastal communities. Ecosystems provide cultural services that improve our quality of life in ways that range from the sense of awe many feel when looking up at a towering sequoia tree to educational and recreational opportunities. Ecosystems also provide natureâs support structure; without ecosystems there would be no soil to support plants, nor all the microorganisms and animals that depend on plants. In the oceans, ecosystems sustain the nutrient cycling that supports marine plankton, which in turn supply food for the fish and other seafood humans eat. Algae in ocean ecosystems produce much of the oxygen that we breathe. In general, we do not pay for the services we get from ecosystems, even though we could not live without them and would have to pay a high price to provide artificially.

Introduction 3 FIGURE 1 Ecosystem services. SOURCE: Millennium Ecosystem Assessment (2005). Ecosystem services rely on complex interactions among many species, so in most environments it is critical that they contain a diverse array of organisms. Even those services that appear to depend on a single species, like the production of honey, actually depend on the interactions of many species, sometimes many hundreds or thousands. Honey comes from honeybees, but the bees depend on pollen and nectar from the plants they pollinate. These plants depend not only on the bees but also on the worms and other soil animals that aerate the soil, the microorganisms that release nutrients, and the predatory insects that limit populations of plant- eating insects. Scientists are still at the early stages of understanding exactly how diversity contributes to ecosystem resilienceâthe ability of an ecosystem to withstand stresses like pollution or a hurricane without it resulting in a major shift in the ecosystemâs type or the services it provides (Schulze and Mooney 1993; Chapin et al. 1997; Tilman et al. 2006; Worm et al. 2006). But we are already certain about one thing. Each species is a unique solution to a challenge posed by nature and each speciesâ DNA is a unique and complex blueprint. Once a species goes extinct, we canât get it back. Therefore, as we look at the impacts of climate change on ecosystems, it is critical to remember that some kinds of impactsâlosses of biological diversityâare irreversible. What do we know about current climate change? Over the last 20 years the worldâs governments have requested a series of authoritative assessments of scientific knowledge about climate change, its impacts, and possible approaches

4 Introduction for dealing with climate change. These assessments are conducted by a unique organization, the Intergovernmental Panel on Climate Change (IPCC). Every five to seven years, the IPCC uses volunteer input from thousands of scientists to synthesize available knowledge. The IPCC conclusions undergo intense additional review and evaluation by both the scientific community and the worldâs governments, resulting in final reports that all countries officially accept (Bolin 2007). The information in the IPCC reports has thus been through multiple reviews and is the most authoritative synthesis of the state of the science on climate change. Earthâs average temperature is increasing In 2007 the IPCC reported that Earthâs average temperature is unequivocally warming (IPCC 2007b). Multiple lines of scientific evidence show that Earthâs global average surface temperature has risen some 0.75Â°C (1.3Â°F) since 1850 (the starting point for a useful global network of thermometers). Not every part of the planetâs surface is warming at the same rate. Some parts are warming more rapidly, particularly over land, and a few parts (in Antarctica, for example) have cooled slightly (Figure 2). But vastly more areas are warming than cooling. In the United States average temperatures have risen overall, with the change in temperature generally much higher in the northwest, especially in Alaska, than in the south (Figure 3). The eight warmest years in the last 100 years, according to NASA's Goddard Institute for Space Studies, have all occurred since 1998 (http://www.giss.nasa.gov/research/news/20080116/). During the second half of the 20th century, oceans have also become warmer. Warmer ocean waters cause sea ice to melt, trigger bleaching of corals, result in many species shifting their geographic ranges, stress many other species that cannot move elsewhere, contribute to sea- level rise (see below), and hold less oxygen and carbon dioxide.

Introduction 5 FIGURE 2 Global trends in temperature. The upper map shows the average change in temperature per decade from 1870 to 2005. Areas in orange have seen temperatures rise between 0.1-0.2oC per decade, so that they average 1.35 to 2.7oC warmer in 2005 than in 1870. The lower map shows the average change in temperature per decade from 1950 to 2005. Areas in deep red have seen temperatures rise on average more than 0.4oC per decade, so that they average more than 2oC warmer in 2005 than in 1950. SOURCE: Joint Institute for the Study of the Atmosphere and Ocean, University of Washington.

6 Introduction FIGURE 3 Temperature trends in North America, 1955 to 2005. The darker areas have experienced greater changes in temperature. For example, the Pacific Northwest had average temperatures about 1oC higher in 2005 than in 1955, while Alaskaâs average temperature had risen by over 2oC. SOURCE: Created with data from Goddard Institute for Space Studies. Sea levels are rising Climate change also means that sea levels are rising. Not only do warmer temperatures cause glaciers and land ice to melt (adding more volume to oceans), but seawater also expands in volume as it warms. The global average sea level rose by just under 2 mm/yr (0.08in/yr) during the 20th century, but since satellite measurements began in 1992, the rate has been 3.1 mm/year (0.12in/yr)(IPCC 2007a). Along some parts of the U.S. coast, tide gauge records show that sea level rose even faster (up to 10 mm/yr, 0.39in/yr) because the land is also subsiding. As sea level rises, shoreline retreat has been taking place along most of the nationâs sandy or muddy shorelines, and substantial coastal wetlands have been lost due to the combined effects of sea- level rise and direct human activities. In Louisiana alone, 4900 km2 (1900 mi2) of wetlands have been lost since 1900 as a result of high rates of relative sea-level rise together with curtailment of the supply of riverborne sediments needed to build wetland soils. The loss of these wetlands has diminished the ability of that region to provide many ecosystem services, including commercial fisheries, recreational hunting and fishing, and habitats for rare, threatened, and migratory species, as well as weakening the regionâs capacity to absorb storm surges like those caused by Hurricane Katrina (Day et al. 2007). Higher sea levels can also change the salinity and water circulation patterns of coastal estuaries and bays, with varying consequences for the mix of species that can thrive there.

Introduction 7 Other effects are being seen Water Cycle Climate change is linked to a number of other changes that already can be seen around the world. These include earlier spring snowmelt and peak stream flow, melting mountain glaciers, a dramatic decrease in sea ice during the arctic summer, and increasing frequency of extreme weather events, including the most intense hurricanes (IPCC 2007b). Changes in average annual precipitation have varied from place to place in the United States (Figure 4). Climate dynamics and the cycling of water between land, rivers and lakes, and clouds and oceans are closely connected. Climate change to date has produced complicated effects on water balances, supply, demand, and quality. When winter precipitation falls as rain instead of snow and as mountain snowpacks melt earlier, less water is âstoredâ in the form of snow for slow release throughout the summer (Mote 2003), when it is needed by the wildlife in and around streams and rivers and for agriculture and domestic uses. Even if the amount of precipitation does not change, warmer temperatures mean that moisture evaporates more quickly, so that the amount of moisture available to plants declines. The complex interaction between temperature and water demand and availability means that climate change can have many different kinds of effects on ecosystems. FIGURE 4 Trends in precipitation from 1901 to 2006 in the United States. Areas in red are averaging some 30 percent less precipitation per year now than they received early in the 1900s. Dark blue areas are averaging 50 percent more precipitation per year. SOURCE: Backlund 2008. Created with data from the USGS and NOAA/NCDC. Extreme Events The character of extreme weather and climate events is also changing on a global scale. The number of frost days in midlatitude regions is decreasing, while the number of days with extreme warm temperatures is increasing. Many land regions have experienced an increase in days with very heavy rain, but the recent CCSP report on climate extremes concluded that âthere are recent

8 Introduction regional tendencies toward more severe droughts in the southwestern U.S., parts of Canada and Alaska, and Mexicoâ (Kunkel et al. 2008, Dai et al. 2004; Seager et al., 2007). These seemingly contradictory changes are consistent with a climate in which a greater input of heat energy is leading to a more active water cycle. In addition, warmer ocean temperatures are associated with the recent increase in the fraction of hurricanes that grow to the most destructive categories 4 and 5 (Emanuel 2005; Webster et al. 2005). Arctic Sea Ice Every year the area covered by sea ice in the Arctic Ocean expands in the winter and contracts in the summer. In the first half of the 20th century the annual minimum sea-ice area in the Arctic was usually in the range of 10 to 11 million km2 (3.86 to 4.25 million mi2) (ACIA 2005). In September 2007 sea-ice area hit a single-day minimum of 4.1 million km2 (1.64 million mi2), a loss of about half since the 1950s (Serreze et al. 2007). The decrease in area is matched by a dramatic decrease in thickness. From 1975 to 2000 the average thickness of Arctic sea ice decreased by 33 percent, from 3.7 to 2.5 m (12.3 to 8.3 ft) (Rothrock et al. 2008). Ocean Acidification About one-third of the carbon dioxide emitted by human activity has already been taken up by the oceans, thus moderating the increase of carbon dioxide concentration in the atmosphere and global warming. But, as the carbon dioxide dissolves in sea water, carbonic acid is formed, which has the effect of acidifying, or lowering the pH, of the ocean (Orr et al. 2005). Although not caused by warming, acidification is a result of the increase of carbon dioxide, the same major greenhouse gas that causes warming. Ocean acidification has many impacts on marine ecosystems. To date, laboratory experiments have shown that although ocean acidification may be beneficial to a few species, it will likely be highly detrimental to a substantial number of species ranging from corals to lobsters and from sea urchins to mollusks (Raven et al. 2005; Doney et al. 2008; Fabry et al. 2008). Causes of climate change Both natural variability and human activities are contributing to observed global and regional warming, and both will contribute to future climate trends. It is very likely that most of the observed warming for the last 50 years has been due to the increase in greenhouse gases related to human activities (in IPCC reports, âvery likelyâ specifically means that scientists believe the statement is at least 90 percent likely to be true; âlikelyâ specifically means about two-thirds to 90 percent likely to be true [IPCC 2007b]). While debate over details is an important part of the scientific process, the climate science community is virtually unanimous on this conclusion. The physical processes that cause climate change are scientifically well documented. The basic physics of the way greenhouse gases warm the climate were well established by Tyndall, Ahrrenius, and others in the 19th century (Bolin 2007). The conclusions that human actions have very likely caused most of the recent warming and will likely cause more in the future are based on the vast preponderance of accumulated scientific evidence from many different kinds of observations (IPCC 2007b). Since the beginning of the Industrial Revolution, human activities that clear land or burn fossil fuels have been injecting rapidly increasing amounts of greenhouse gases such as carbon dioxide (CO2) and methane (CH4) into the atmosphere. In 2006 emissions of CO2 were about 36 billion metric tons (39.6 billion English tons), or about 5.5 metric tons (6.0 English tons) for every human being (Raupach et al. 2007). In the United States average CO2

Introduction 9 emissions in 2006 were approximately 55 kg (120 lb) per person per day. As a consequence of these emissions, atmospheric CO2 has increased by about 35 percent since 1850. Scientists know that the increases in carbon dioxide in the atmosphere are due to human activities, not natural processes, because they can fingerprint carbon dioxide (for example, by the mix of carbon isotopes it contains, its spatial pattern, and trends in concentration over time) and identify the sources. Concentrations of other greenhouse gases have also increased, some even more than CO2 in percentage terms (Figure 5). Methane, which is 25 times more effective per molecule at trapping heat than CO2, has increased by 150 percent. Nitrous oxide (N2O), which is nearly 300 times more effective per molecule than CO2 at trapping heat, has increased by over 20 percent (Forster et al. 2007). Scientific knowledge of climate is far from complete. Much remains to be learned about the factors that control the sensitivity of climate to increases in greenhouse gases, rates of change, and the regional outcomes of the global changes. These uncertainties, however, concern the details and not the core mechanisms that give scientists high confidence in their basic conclusions.

10 Introduction Atmospheric concentrations of CO2, CH4 and N2O over the last 10,000 years (large panels) and since 1750 (inset panels). Measurements are shown from ice cores (symbols with different colors for different studies) and atmospheric samples (red lines). The corresponding radiative forcings (amount of energy trapped per unit area) relative to 1750 are shown on the right hand axes of the large panels. Source: IPCC 2007d. FIGURE 5: Historical concentrations of greenhouse gasses CO2, CH4, and N2O over the past 10,000 years. For each of these greenhouse gases, the characteristic âhockey stickâ shape of the

Introduction 11 curve is the result of large increases in the concentrations of these gases very recently, compared to their relatively stable levels over the past 10,000 years. SOURCE: IPCC 2007d. What do we expect from future climate change? Evidence of rising atmospheric and ocean temperatures, changing precipitation patterns, rising sea levels, and decreasing sea ice is already clear. Average temperatures will almost certainly be warmer in the future. The amount of future climate change depends on human actions. A large number of experiments with climate models indicate that if the world continues to emphasize rapid economic development powered by fossil fuels, it will probably experience dramatic warming during the 21st century. For this kind of âbusiness as usualâ future the IPCC (IPCC 2007b) projects a likely range of global warming over 1990 levels of 2.4-6.4ÂºC (4.3-11.5ÂºF) by 2100 (Figure 6, scenario A1F1). If greenhouse gas emissions grow more slowly, peak around the year 2050, and then fall, scientists project a likely warming over 1990 levels of 1.1-2.9ÂºC (2.0- 5.2ÂºF) by 2100 (Figure 6, scenario B1).5 Temperature increases at the high end of the range of possibilities are very likely to exceed many climate thresholds. Warming of 6Â°C (10.8Â°F) or more (the upper end of the projections that the 2007 IPCC rates as âlikelyâ) would probably have catastrophic consequences for lifestyles, ecosystems, agriculture, and other livelihoods, especially in the regions and populations with the least resources to invest in adaptationâthat is, the strategies and infrastructure for coping with the climate changes. Warming to the high end of the range would also entail a global average rate of temperature change that, for the next century or two, would dramatically exceed the average rates of the last 20,000 years, and possibly much further into the past. Mean seawater temperatures in some U.S. coastal regions have increased by as much as 1.1Â°C (2Â°F) during the last half of the 20th century and, based on IPCC model projections of air temperature, are likely to increase by as much as 2.2-4.4Â°C (4-8Â°F) during the present century. âBusiness as usualâ emissions through 2100 would likely lead to oceans with surface temperatures that are 2-4ÂºC (3.6-7.2ÂºF) higher than now and surface waters so acidified that only a few isolated locations would support the growth of corals (Cao et al. 2007). Most marine animals, especially sedentary ones, and plants are expected to be significantly stressed by these changes (Hoegh-Guldberg et al. 2007). Some may be able to cope with either increased temperatures or more acidic waters, but adjusting to both may not be feasible for many species. 5 Projections of warming are given as a range of temperatures for three reasons. First, gaps in the scientific understanding of climate limit the accuracy of projections for any specific concentration of greenhouse gases. Changes in wind and clouds can increase or decrease the warming that occurs in response to an increase in the concentration of greenhouse gases. Loss of ice on the sea or snow on land increases the amount of the incoming sunlight that is absorbed, amplifying the warming from greenhouse gases. Second, the pattern of future emissions and the mix of compounds released to the atmosphere cannot be predicted with high confidence. Some kinds of compounds that produce warming remain in the atmosphere only a few days (Ramanathan et al. 2007). Others, like CO2, remain for centuries and longer (Matthews and Caldeira 2008). Still other compounds tend to produce aerosols or tiny droplets or particles that reflect sunlight, cooling the climate. Third, there is substantial uncertainty about the future role of the oceans and ecosystems on land. In the past, oceans and land ecosystems have stored, at least temporarily, about half of the carbon emitted to the atmosphere by human actions. If the rate of storage increases, atmospheric CO2 will rise more slowly. If it decreases, then atmospheric CO2 will rise more rapidly (Field et al. 2007).

12 Introduction Continued emissions under the âbusiness as usualâ scenario could lead by 2100 to 0.6 m (2 ft) or more of sea-level rise. Continuation of recent increases in loss of the ice caps that cover Greenland and West Antarctica could eventually escalate the rate of sea-level rise by a factor of 2 (Overpeck et al. 2006; Meehl et al. 2007; Alley et al. 2005; Gregory and Huybrechts 2006; Rahmstorf 2007). There will also be hotter extreme temperatures and fewer extreme cold events. An increase in climate variability, projected in some models, will entail more frequent conditions of extreme heat, drought, and heavy precipitation. A warmer world will experience more precipitation at the global scale, but the changes will not be the same everywhere. In general, the projections indicate that dry areas, especially in the latitude band just outside the tropics (for example, the southwestern United States), will tend to get drier on average (IPCC 2007b; Kunkel et al. 2008). Areas that are already wet, especially in the tropics and closer to the poles, will tend to get wetter on average. Increased climate variability and increased evaporation in a warmer world could both increase the risk and likely intensity of future droughts. Changes in the frequency or intensity of El NiÃ±o events forecast by climate models are not consistent (IPCC 2007b). El NiÃ±os are important because they are often associated with large-scale drought and floods in the tropics and heavy rains just outside the tropics, but projecting how the interaction between climate change and El NiÃ±o events will affect precipitation patterns is difficult. Another example of inconsistent results from models is that model simulations indicate that future hurricane frequency and average intensity could either increase or decrease (Emanuel et al. 2008), but it is likely that rainfall and top wind speeds in general will increase in a world of warmed ocean temperatures. For all of these different factorsââtemperature, precipitation patterns, sea-level rise and extreme eventsââboth the magnitude and speed of change are important. For both ecosystems and human activities, a rapid rate of climate change presents challenges that are different from, but no less serious than, the challenges from a large amount of change (Schneider and Root 2001).

Introduction 13 Solid lines are multi-model global averages of surface warming for scenarios A2, A1B and B1, shown as continuations of the 20th-century simulations. These projections also take into account emissions of short-lived GHGs and aerosols. The pink line is not a scenario, but is for Atmosphere-Ocean General Circulation Model (AOGCM) simulations where atmospheric concentrations are held constant at year 2000 values. The bars at the right of the figure indicate the best estimate (solid line within each bar) and the likely range assessed for the six SRES marker scenarios at 2090-2099. All temperatures are relative to the period 1980-1999. SOURCE IPCC 2007b. FIGURE 6 Projected future temperatures. This figure shows projected trends of average global surface temperature, based on output from all of the major climate models, shown as continuations of the 20th century observations (with the average for 1980-1999 plotted as 0). The pink line represents what would happen if CO2 concentrations could be held constant at year 2000 levels. Scenarios B1, A1B and A2 represent alternative possible futures. A1B and B1 are futures with modest population growth, rapid economic growth, and a globally integrated economy, with A1B focusing on manufacturing and B1 focusing on service industries. A2 is a world with more rapid population growth but slower economic growth and less economic integration. The bars to the right of the graph represent the likely range of average global temperature from the same models in the years 2090-2099 for a wider range of possible futures, with the horizontal bar in the middle indicating the average across the models. As of 2006, actual CO2 emissions were higher than those in the A2 scenario, making the full range of scenarios look like underestimates, at least for the first years of the 21st century. (IPCC 2007b, Raupach et al. 2007).

14 Introduction Climate change can impact ecosystems in many ways Hundreds of studies have documented responses of ecosystems, plants, and animals to the climate changes that have already occurred (Parmesan 2006; Rosenzweig et al. 2007). These studies demonstrate many direct and indirect effects of climate change on ecosystems. Changes in temperature, for example, have been shown to affect ecosystems directly: the date when some plants bloom is occurring earlier in response to warmer temperatures and earlier springs. Extreme temperatures, both hot and cold, can be important causes of mortality, and small changes in extremes can sometimes determine whether a plant or animal survives and reproduces in a given location. Changes in temperature, especially when combined with changes in precipitation, can have indirect effects as well. For many plants and animals soil moisture is critically important for many life processes; changes in precipitation and in the rate of evaporation interact to determine whether moisture levels remain at a level suitable for various organisms. For fish and other aquatic organisms both water temperature and water flow are important and influenced by the combined effects of altered air temperatures and precipitation. For example, warmer, drier years in the northwestern United States, often associated with El NiÃ±o events and anticipated to be more common under many climate scenarios, have historically been associated with below- average snowpack, stream flow, and salmon survival (Mote 2003). Some salmon populations are especially sensitive to summer temperatures; others are sensitive to low stream-flow volumes in the fall (Crozier and Zabel 2006). The fact that climate change leads to rising seas means that organisms and ecosystems located in coastal zones between the ocean and terrestrial habitats are squeezed, especially when the coastal land is occupied by buildings or crops. The ecological impacts of climate change are not inherently beneficial or detrimental for an ecosystem. The concept that a change is beneficial or detrimental has meaning mainly from the human perspective. For an ecosystem, responses to climate change are simply shifts away from the state prior to human-caused climate change. Measured by particular ecosystem services, some changes could be beneficial; for example, warmer temperatures extend the growing season in some latitudes, and higher CO2 levels increase the growth of some land plants, with higher potential yields of food and forestry products (Nemani et al. 2003). Others are detrimental, for example, western mountain areas with a longer snow-free season are experiencing increased wildfires, reduced potential wood harvests, and loss of some recreational opportunities (Westerling et al. 2006). In some settings uncertainty about future ecosystem services may be a cost in itself, motivating investments that may not turn out to be necessary or that may be insufficient to effectively address changing needs. To date, many species have responded to the effects of climate change by extending their range boundaries both toward the poles (for example, northward in the U.S.) and up in elevation, and by shifting the timing of spring and autumn events. Plants and animals needing to move but prevented from doing so, for example, because appropriate habitat is not present at higher elevations, are at greater risk of extinction. Shifting species ranges, changes in the timing of biological events, and a greater risk of extinction all affect the ability of ecosystems to provide the critical servicesâproducts, regulation of the environment, enhanced human quality of life, and natural infrastructureâthey have been providing.

Introduction 15 Ecosystems can adjust to changeâover time Ecosystems are not static. They are collections of living organisms that grow and interact and die. Ecosystems encounter an ever changing landscape of weather conditions and various kinds of disturbances, both subtle and severe. Whatever conditions an ecosystem encounters, the individual organisms and species react to the changes in different ways. Ecosystems themselves do not move, individuals and species do; some species can move farther and faster than others, but some may not be able to move at all. For example, a long-lived tree species may take decades to spread to a new range, while an insect with many hatches per year could move quickly. A species that already lives on mountaintops may have nowhere else to retreat. Rapid and extreme disturbances can have major and long-lasting ecological impacts. For example, a severe drought, wildfire, or hurricane can fundamentally reshape an area, often for many decades. In one of the most dramatic examples the impact of an asteroid 65 million years ago is believed to have so radically changed conditions on Earth that the dominant animals, the dinosaurs, died off and were supplanted by mammals (Alvarez et al. 1990). On longer time scales, most places on Earth have experienced substantial climate changes. During the peak of the last ice age, approximately 21,000 years ago, most of Canada and the northern United States were under thousands of feet of ice (Jansen et al. 2007). Arctic vegetation thrived in Kentucky, and sea levels were about 120 m (400 ft) lower than at present. Over the past million years Earth has experienced a series of ice ages, separated by warmer conditions. Global average temperatures during these ice ages were about 4-7Â°C (7.2-12.6Â°F) cooler than present, with the cooling and warming occurring over many thousands of years (Jansen et al. 2007). These ice ages triggered extensive ecological responses, including large shifts in the distributions of plants and animals, as well as extinctions. The massive changes during past ice ages certainly pushed ecosystems off large swaths of Earthâs surface as ice- dominated landscapes advanced. However, these changes were generally slow enough that surviving species could move and reassemble into novel, as well as familiar-looking, ecosystems as the ice retreated (Pitelka et al. 1997; Overpeck et al. 2003). The 10,000 years since the last ice age have seen substantial regional and local climate variation, but on a global scale climate was relatively stable, and these regional climate changes did not drive species to extinction nor result in the scale of global ecosystem change seen during glacial-to-interglacial transitions. Even when the global climate is not changing noticeably, regional climate variability (droughts, storms, and heat waves) can have dramatic regional (often short-term) impacts. In a period of climate change it is important to remember that this climate variability will continue to occur on top of the more long-term human-caused climate changes. Data on ecosystem responses to disturbances in the distant past can provide valuable information about likely responses to current and future climate change. But it is important to recognize that the current rate of increase of CO2 in Earthâs atmosphere is faster than at any time measured in the past, indicating that human-caused global climate change in the current era is likely to be exceedingly rapid, many times faster than the long-term global changes associated with onset and termination of the ice ages (Jansen et al. 2007). One of the big concerns about the future is that climate changes in some places may be too fast for organisms to respond in the ways that have helped sustain ecosystem services in response to natural changes in the past. Understanding how quickly ecosystems can and cannot adjust is one of the key challenges in climate change research.

16 Introduction Climate change, other stresses, and the limits of ecosystem resilience Climate change is not the only way humans are affecting ecosystems. Humans have a large and pervasive influence on the planet. We use a substantial portion of the land for agriculture and the oceans for fishing (Worm et al. 2006; Ellis and Ramankutty 2008). Many rivers are dammed to provide water for crops or people, or they are polluted with fertilizer or other chemicals. Chemical residues and the by-products of industrial activity, from acid precipitation to ozone, affect plant growth. Human activities, especially land and ocean use, limit some opportunities for species migrations while opening routes for other species. Globally humans have moved many non-native species from one ecosystem to another. Ecosystems operate in a context of multiple human influences and interacting factors. Earthâs ecosystems are generally resilient to some range of changes in climate. A resilient ecosystem is one that can withstand a stress like pollution or rebuild after a major disturbance like a serious storm. A resilient ecosystem can cope with a drought or an unusually hot summer in ways that alter some aspects of ecosystem function but do not lead to a major shift in the type of ecosystem or the services it provides. Thus, a resilient ecosystem may not appear to be affected by modest or slow climate changes. But this resilience has limits. When a change exceeds those limits, or is coupled with other simultaneous changes that cause stress, the ecosystem undergoes a major change, often shifting to a fundamentally different ecosystem type. There is a threshold point when dramatic ecosystem transformations may occur (Gunderson and Pritchard 2002). These thresholds are like the top of a levee as the water level rises. As long as the water level is even slightly below the top of the levee, function is normal. But once it rises above the levee, there is a flood. This kind of threshold response is common in ecosystems, where extreme events like heat waves often serve as triggers for an irreversible transition of the ecosystem to a new state. Currently plants and animals are responding to rapid climate change while simultaneously coping with other human-created stresses such as habitat loss and fragmentation due to development, pollution, invasive species, and overharvesting. How do we know climate change itself is causing major changes in ecosystems? First, species changing their ranges in the Northern Hemisphere are almost uniformly moving their ranges northward and up in elevation in search of cooler temperatures (Parmesan and Yohe 2003; Parmesan 2006; Rosenzweig et al. 2007). If any or all of the other stressors were the major cause of ecosystem changes, plants and animals would move in many directions in addition to north, and to lower as well as higher elevations. Second, when we look at the association over time of changes between species ranges and temperatures modeled using only natural variation in climate, such as sunspots and volcanic dust in the stratosphere, the relationship is poor. When temperatures are modeled using natural variability as well as human-caused drivers, such as emission of CO2 and methane, the association is very strong. Consequently, humans are very likely causing changes in regional temperatures to which in turn the plants and animals are responding (Root et al. 2005).

The world's climate is changing, and it will continue to change throughout the 21st century and beyond. Rising temperatures, new precipitation patterns, and other changes are already affecting many aspects of human society and the natural world.

In this book, the National Research Council provides a broad overview of the ecological impacts of climate change, and a series of examples of impacts of different kinds. The book was written as a basis for a forthcoming illustrated booklet, designed to provide the public with accurate scientific information on this important subject.

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To Fight Climate Change, We Need New ‘Political Technologies’

By Peter Coy

Opinion Writer

Science alone won’t stop the planet from overheating. But science coupled with political science just might.

That’s the theme of a new book, “Long Problems: Climate Change and the Challenge of Governing Across Time.” It’s by Thomas Hale, an American political scientist who teaches at the University of Oxford’s Blavatnik School of Government.

Hale argues that people are too quick to throw up their hands because the political will to stop climate change is lacking. For political scientists, he writes, “this is not the end but rather the start of the intellectual challenge.”

Hale has specific ideas for how to change institutions and procedures so that today’s inhabitants of Earth give more consideration to tomorrow’s inhabitants. He calls them, at one point, “political technologies,” a phrase I like.

Long problems such as climate change are ones in which there is a long lag between causes and effects. They are hard to solve, especially with today’s institutions. We don’t act early because we’re uncertain about how big the problem is, and it isn’t as salient as the daily emergencies all around us. Our hesitation gives an opening to obstructionist forces. Today’s decision makers vow to protect the planet for future generations, but the unborn multitudes are mere “shadows” to them, as Hale puts it.

On top of all that, Hale writes, “Institutions created to address the early phase of a long problem struggle to remain useful as the problem’s structure develops over time.” Case in point: The United Nations Framework Convention on Climate Change, which was created in 1992. The original concept was for countries to make binding commitments to fight climate change. As the organization has evolved, though, “nothing is agreed until every country agrees on every point,” Hale writes.

That’s not useful. A better approach is the Paris Agreement of 2015, which went into effect the next year. It allows countries to set their own targets for greenhouse gas reductions while triggering a “norm cascade” that induces them to do more and more. Hale likes the Paris Agreement on the whole, though he says it’s not perfect.

Society has already invented institutions and systems that bring future considerations to the fore, Hale writes. The Congressional Budget Office and similar offices in other countries analyze how new legislation will affect economic growth and government finances in the long run. The bond market assesses whether bond issuers, such as governments, will be able to pay back what they owe. Insurance companies — which Hale doesn’t mention — won’t issue policies unless customers take steps to reduce their risks.

On climate, too, there have been efforts to create institutions and processes that help solve Hale’s long problems. Some governments are requiring business to incorporate the “social cost” of carbon into their decisions. And the Intergovernmental Panel on Climate Change brings together the world’s top experts and issues closely followed reports.

There are many more opportunities for political engineering, Hale writes. He approvingly mentions the Finnish Parliament’s cross-party Committee for the Future and the Finnish Government Report on the Future, which interact. He recommends more experimentation in policymaking — as Chinese leaders put it, crossing the river by feeling for stones.

To get the public and lawmakers thinking more about the future, he endorses Britain’s Climate Change Committee, which he writes “has become a significant political force for the long-term interest,” and similar organizations (some of them not as effective) in Hungary, Israel, Malta, Sweden, Tunisia and the United Arab Emirates.

To insulate long problems from partisan politicking, he recommends the appointment of a trustee to oversee climate decisions, analogous to the way a politically insulated central bank is delegated the authority to conduct monetary policy. The California Air Resources Board is “perhaps the strongest, though still imperfect” example of such an institution in the realm of the environment, he writes. (Hale told me he’s not aware of anything quite like the California agency elsewhere in the world.)

“Long Problems” is a kind of nonfiction counterpart to Kim Stanley Robinson’s science fiction book from 2020, “The Ministry for the Future,” which took seriously the idea that future generations need to be given as much consideration as our own.

Hale is a co-leader of the Net Zero Tracker , which tracks the decarbonization progress of countries and companies, and the Net Zero Regulation and Policy Hub . He told me that he has been involved in helping people at the United Nations prepare for a Summit for the Future, which will be held Sept. 22-23. On the U.N. website is an early draft of a declaration to be issued at the summit, which says among other things that “our conduct today will impact future generations exponentially.”

Anne-Marie Slaughter, the chief executive of the think tank New America who was Hale’s adviser on his doctorate at Princeton, shared a byline with Hale and two of his Oxford colleagues on a policy brief , “Toward a Declaration on Future Generations,” that recommends the U.N. appoint “a special envoy or high commissioner” to be a voice for the future.

I kind of prefer “envoy” because it sounds like the person has literally come from the future.

No one solution will instantly end the political obstacles to fighting climate change. Some of the ideas in Hale’s book may not pan out at all. But I give him credit for focusing on how to solve problems in which the cause and the effect are separated by decades. Getting the “political technology” right is every bit as important as inventing better solar cells, wind turbines and batteries.

Outlook: Oliver Allen

Retail sales rose more than expected in March, but the “booming” pace of growth isn’t likely to last, Oliver Allen, a senior U.S. economist at Pantheon Macroeconomics, wrote in a client note on Monday. “It is hard to see how the strength in consumption can continue for much longer, now that real after-tax income growth has slowed markedly, the bulk of excess savings from earlier in the pandemic has been spent, and a raft of leading indicators point to a marked softening in the labor market,” Allen wrote.

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“Why do we need to make the rich richer to make them work harder but make the poor poorer for the same purpose?”

— Ha-Joon Chang, “Economics: The User’s Guide” (2014)

Peter Coy is a writer for the Opinion section of The Times, covering economics and business. Email him at [email protected] . @ petercoy

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Can Wind and Solar Solve Climate Change?

A new book unwittingly makes the case that they can’t..

Climate Change
United States

In 2015, the British economist Nicholas Stern argued that the reason for excessive carbon emissions was not just one market failure—the familiar fact that fossil fuel prices do not include the environmental and social costs of burning them—but rather six such failures. Laid out in Why Are We Waiting? The Logic, Urgency, and Promise of Tackling Climate Change , Stern’s fusillade of market failures cut against the prevailing case for pricing carbon, long considered a silver bullet: Get the price of carbon right, the argument went, and market actors would come up with the best and most efficient solutions without the need for policymakers to pick clean-technology winners, devise complex regulatory schemes, or otherwise micromanage the transition.

The Price Is Wrong: Why Capitalism Won’t Save the Planet , Brett Christophers, Verso, 432 pp., $26.07 (that’s the price on the affiliate link), March 2024

To his credit, Stern’s diagnosis of multiple market failures was an acknowledgment that climate change could not be solved in such a simple, elegant fashion. But his approach also smacked of dogmatism. In neoclassical economic theory, a properly functioning market will always produce an optimal amount of desired goods at an optimal cost—and when it fails to do so, it must be because prices have been distorted for some reason. The solution, then, is to discover the distortion, get the prices right, and allow the market to deliver the optimal amount of the desired good—in this case, clean energy.

But when one needs to invoke six market failures instead of one, it is fair to ask whether the lens of market failure is really the best or most parsimonious framework for looking at the problem. Like pre-Galilean astronomers, who produced ever more complex epicycles to describe the movement of celestial objects in order to sustain their belief that the Earth sat at the center of the universe, Stern’s proliferating cosmology of market failures was necessary to keep markets at the center of climate policy.

This, more or less, is where Brett Christophers’s new book, The Price Is Wrong: Why Capitalism Won’t Save the Planet , begins. Christophers, a geographer at Sweden’s Uppsala University, argues that getting prices right, whether by making fossil fuels expensive through pricing carbon or making clean energy cheap through subsidies and technological innovation, is entirely insufficient to drive the rapid deployment of renewable energy. Much heavier-handed intervention will be necessary, Christophers argues, including government price guarantees or even public ownership of electricity generation and distribution. The book is convincing at times in its case that neoliberal schemes to deregulate electricity markets can undermine efforts to mitigate climate change. But without intending to do so, Christophers also shows why wind and solar energy alone are unlikely to get us very far in decarbonizing the global economy.

The Price Is Wrong has been hotly anticipated. The New York Times ’ David Wallace-Wells previewed it in a column in January. Robinson Meyer, an Atlantic and New York Times contributor and editor of a widely read climate newsletter, described the book as “one of the most insightful and clarifying books yet written on the relationship between climate change and capitalism.”

Readers expecting an anti-capitalist polemic, however, will be disappointed. Christophers is more wonk than firebrand, immersing his audience in an often technical description of how electricity systems have evolved, how electricity markets work, and how renewable energy projects are financed and make money. At the core of his argument is what he describes as a paradox: “[I]f renewables are now cheapest, why is government economic support for renewables still so important?” Why, he asks, “are we still in fact failing on electricity decarbonization?” The answer, he argues, is neoliberalism, the unholy fetishizing of markets as the solution to all policy problems—in this case, climate change.

The fact that renewable energy is failing to decarbonize the electricity sector may surprise many readers accustomed to breathless reports of the rapid growth of renewable energy around the world. What Christophers means by this, though, is that while renewable energy is growing rapidly in many places, these increases are not even keeping up with global growth in the demand for electricity.

Partially constructed wind turbine blades are stored at a shipyard in Belfast, Northern Ireland, on Aug. 14, 2008. Peter Macdiarmid/Getty Images

Yes, wind and solar generation have grown impressively over the last decade in absolute terms. And yes, the share of global electricity generated by fossil fuels, primarily coal and gas, has fallen somewhat over that time, from around 68 percent in 2012 to around 61 percent in 2022. But total global electricity generation grew by almost 30 percent over the same period, outpacing the rise in renewables. As a result, total emissions from the power sector continued to rise.

So while the cost of renewable energy keeps falling and governments continue to pay lip service to various global climate and emissions targets, most also continue to build new coal and gas plants to power their economies—alongside all those shiny new wind turbines and solar panels.

How, Christophers asks, could this be, if wind and solar energy are as cheap as so many people say they are? His answer centers on what he believes to have been misguided policies to liberalize electricity markets. The drive to break up regulated, vertically integrated utilities and create competitive wholesale electricity markets, he argues, has disadvantaged renewable energy developers, because it forces developers to sell the electricity that they produce much of the time at fire-sale prices, as wind and solar installations often produce lots of electricity at times when it is difficult to sell it for very much. So even though the cost of producing electricity with solar and wind is often very low, it’s not profitable enough for private developers because they can’t sell it for enough to make a return on their investment.

Christophers’s analysis will, no doubt, be news to many renewable energy advocates and developers, who have long called for breaking up vertically integrated monopoly utilities to allow renewable energy producers to compete with conventional generators. The energy transition “will need to harness America’s immensely powerful and creative economic engine, not dismantle it,” Amory Lovins, America’s original renewable energy evangelist, argued in the New York Times in 2019. “We should let competition and flexibility rule our electricity system.”

Christophers attributes the move to liberalize electricity systems around the world over the last three decades to a de facto alliance between neoliberal “powers that be”—who remain undefined in the book—and renewable energy advocates who mistakenly believed that renewable energy could outcompete fossil fuels. But there is another reason that renewable energy advocates and developers have long argued for the creation of competitive wholesale electricity markets. That is because unbundling power generation, sale, and distribution also disconnects the cost of producing wind and solar energy from the cost of operating an electricity system that must deliver power to end-users whenever they need it, regardless of whether the sun is shining or the wind is blowing.

Hidebound, corrupt, and self-dealing as many of the old monopoly utilities may have been, the expectation in traditionally regulated utility systems was that in exchange for a guaranteed profit through a regulatory monopoly, they would deliver electricity to anyone who wanted it, when they wanted it, at a reasonable price. And for the most part, the monopoly utility system delivered.

These monopoly utilities have often resisted building wind and solar because, in the view of the utilities’ critics, they have perverse incentives to prioritize conventional generation using coal, gas, and uranium over renewable sources. That’s because the prevailing regulatory model pays vertically integrated utilities a set rate of profit on top of their costs, which means that utilities can raise their total profit by raising their costs—usually by overbuilding costly, capital-intensive infrastructure. But there is no reason why these incentives couldn’t, in theory, easily accommodate wind and solar power. These sources are also capital-intensive and, due to their intermittency, must be overbuilt in order to deliver significant amounts of power to the electrical grid.

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There is, however, a much less sinister reason why many monopoly utilities have hesitated to add a large share of wind and solar generation to their grids. A consumer-facing utility—as opposed to a mere power producer—must consider the overall cost and complexity of operating an electrical grid that delivers power to users all the time. And from this perspective, the business case for introducing lots of capital-intensive wind and solar that often produce electricity at times when it isn’t needed has never been a strong one.

So a different answer to Christophers’s paradox is that the reason that renewable energy continues to require sustained, direct public subsidies almost everywhere, despite the falling cost to physically produce it, is that it is not actually that cheap. Yes, wind turbines and solar panels might be relatively inexpensive to manufacture and install today. But because they only produce electricity some of the time—and mostly at the same time—the value of that electricity to the grid, and hence the price it can command in competitive markets, continually declines as renewables proliferate. Christophers calls this dynamic “cannibalization.” Others call it value deflation.

The result, Christophers argues, is that nobody can make money on wind and solar despite their low installation cost without sustained public subsidies. Indeed, conventional subsidies, which in many places such as the United States are provided through investment or production tax credits that substantially lower the cost of building wind and solar generation, are not enough. Instead, he argues, continued deployment of renewable energy, consistent with significantly cutting emissions from the electricity sector, will require guaranteeing a profit to renewable energy developers..

Land is prepared for new solar panels during construction at the Tengger Desert energy base in China’s northern Ningxia region, on Dec. 9, 2023. STR/AFP via Getty Images

Notably, these are not temporary measures that will go away as renewable energy becomes ever cheaper to build. Rather, he argues, the only way to incentivize developers to continue to build more wind and solar, even though they can’t make money doing so if power is priced by the market, is to guarantee them a profit, essentially in perpetuity. Whereas the old, regulated utility system guaranteed utilities a profit to deliver electricity to end-users when they needed it, Christophers suggests that solving climate change will require guaranteeing profits to renewable energy developers to deliver power when those end-users don’t need it.

This is, more or less, what Germany has done over the last two decades. That nation’s vaunted Energiewende provided generous feed-in tariffs for wind and solar energy production beginning in the early 2000s and has resulted in lots of renewable power. But those price supports—or “price stabilization,” in Christophers’s lingo—have put German ratepayers and taxpayers on the hook for hundreds of billions of euros in current and future payouts. Even before the Russian invasion of Ukraine, its households and industry were paying the highest electricity prices in Europe—and now, they are paying the highest in the world . At the same time, Germany’s transition to wind and solar only worked because of plentiful backup electricity generated from using cheap Russian gas. Now that the Kremlin’s spigot is shut, Germany is struggling to keep power affordable not only for consumers, but also for manufacturing companies—the backbone of the country’s economy.

Indeed, if one didn’t know better, one could read long passages of The Price Is Wrong as a damning indictment of renewable energy, not just electricity market liberalization. Christophers sidesteps this issue by again deferring to the “powers that be,” who, in his telling, have determined that electricity systems in most places must be not only liberalized but also powered by renewable energy. The result is that while Christophers makes much of the fact that wholesale electricity markets don’t value electricity from wind and solar producers very highly, but he does not follow that fact to its logical conclusion: that no amount of subsidies, price controls, or state ownership can solve the underlying problem of the intermittency of wind and solar power.

Christophers’s fetishization of renewable energy as the only way to solve climate change is, in its own way, every bit as dogmatic as Stern’s fetishization of prices and market failure. One result is that despite so much discussion of the limits of markets and the need for much bigger state involvement, one crucial phrase hardly uttered across almost 400 pages of The Price Is Wrong is “state planning” or its equivalent. If markets and prices are the coin of the neoliberal realm, central planning is its bane; conversely, someone concerned with the failure of markets might look at what planning can do.

Christophers does cite a few examples, such as China’s plans to build massive state-owned renewables installations in the Gobi Desert to help meet fast-growing electricity demand. But he discusses those plans without reference to China’s state-planned electricity system as a whole. Yes, China is pushing wind and solar—but it is also building nuclear plants. With an eye to the long term, China has even designed much of its new fleet of coal-fired power plants so that a new generation of small, modular nuclear reactors, which China is also commercializing, can be installed in those plants in the future to replace their coal-fired boilers .

Arguably the best case for state-led, low-carbon electricity is entirely absent from The Price Is Wrong : France , which resisted the siren call of deregulation in the 1980s and 1990s and instead built a centrally planned, state-owned electricity system powered not by wind and solar, but by nuclear energy. Nuclear, we are constantly reminded, is much more costly to build than wind and solar. But it is clean energy infrastructure that lasts for 60 to 80 years once built. In a state-planned and state-financed electricity system, those costs can be amortized over many decades.

French President Emmanuel Macron delivers a speech at a GE Steam Power System production site for nuclear turbine systems in Belfort, France, on Feb. 10, 2022. Jean-Francois Badias/AFP via Getty Images

The result is that France has achieved the lowest carbon intensity of any major economy in the world, with electricity prices among the lowest in Europe. It is the sort of thing that, in Christophers’s telling, the neoliberal “powers that be” frown upon. So for a book that offers itself as a corrective, the absence is striking. France offers, without question, the best case for viewing cheap, abundant, low-carbon electricity as a public good, not a market commodity. Yet Christophers has nothing to say about it.

In the end, Christophers is probably right that the electricity market liberalization genie will not be put back into the bottle in many places. Nor is the world likely to give up on wind and solar energy anytime soon. Moreover, there is unlikely to be a one-size-fits-all solution. France’s faith in centralized, technocratic institutions and love of the atom will not easily be transplanted everywhere. Nor will Texas’s freewheeling electricity markets, along with its abundant wind and natural gas resources.

He is also right (even if he never quite gets around to saying it) that liberalizing electricity systems in order to externalize the cost of growing shares of renewable energy is a project that is likely to bring diminishing returns in terms of decarbonization, along with growing costs to both taxpayers and ratepayers. Sooner or later, low-carbon electricity systems will need a lot of something other than wind and solar in order to deeply decarbonize. Right now, the only commercially demonstrated option at scale is nuclear energy, with hydroelectric power also an option in a limited number of places. And competitive markets with increasing shares of intermittent energy sources not only undermine the economics of renewables, but they also make economically efficient operation of conventional nuclear plants, which are predicated on operating virtually all of the time, impossible.

Getting the balance right—between wind, solar, nuclear, and other low-carbon energy sources; between low-carbon and low-cost electricity systems; and between private markets, competition, innovation, and public infrastructure—won’t be easy. But one thing should be clear: If policymakers want low-carbon, reliable electricity systems, they will need to plan for them, and they will need to invest public resources in something other than intermittent renewable energy to get there. Neither getting prices right, as Stern has argued, nor ignoring what they tell us about the value of renewable energy, as Christophers does, is likely to change that.

Books are independently selected by FP editors. FP earns an affiliate commission on anything purchased through links to Amazon.com on this page.

Ted Nordhaus is the co-founder and executive director of the Breakthrough Institute and a co-author of An Ecomodernist Manifesto . Twitter: @TedNordhaus

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