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Lay your hands on air pollution and educate your audience about how air pollutants harm human health and the environment with this free air pollution ppt template & Google slides .

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powerpoint presentation on air pollution

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  • On July 10, 2021

Air Pollution PPT | Free Download | 17 Slides

Table of contents.

To live, we need to breathe. To breathe, we need fresh air. Fresh air is one of the basic and essential things we need to live on earth. Fresh air is equally important to every one us as food and water. Even plants need oxygen to convert food into energy. From these things, we can understand the importance of oxygen and fresh air. A place without oxygen will be a dead zone with no humans, animals, and plants. Without oxygen, nobody can survive on earth.

All these facts point the fingers at the importance of keeping air pollution-free. But the truth is, the air is getting polluted at a massive rate every day. There are hundreds of causes. In these, there are some which are very harmful to us. But how can we reduce the rate of air pollution? Well, there are different ways that we could try to stop air pollution. Before that, let us find out what are the utmost causes of air pollution. Here are they. 

What Do We Mean By Air Pollution?

It’s simple. Air pollution refers to the release of pollutants into the air like Nitrogen Oxide, Volatile Organic Compounds, Carbon Dioxide, Sulphur Oxide, dioxins, and other harmful gases. Once these gases are released, they become a colossal threat to the environment and human health.

How Do We Know the Quality of Air?

The purity of air measured using an AQI thermometer that runs on a scale from 0 to 500. The AQI refers to Air Quality Index. It measures how pure or polluted the surrounding air is. If the numeric value on the scale is between 0-50, the quality of the surrounding air is considered healthy and satisfactory. As the values increase, the quality of the air decreases. If AQI is showing a value of 500, that means you are standing in a hazardous surrounding. Have a look at the AQI chart below for more details.

Major Causes Of Air Pollution

It is well known to everyone how air pollution happens. It happens in many ways. Sometimes careless and reckless human activities lead to the major reasons for air pollution. Even though, here are some of the common causes of air pollution.

Burning of Plastic Wastes.

How do we avoid plastics from our houses? Either we throw them or light them up, right? These careless acts will lead to the worst pollution ever. Burning them releases toxic gases like dioxins, furans, mercury, and polychlorinated. These gases are a threat to the atmosphere, vegetation, humans, and animal health. If we throw them out, they can remain in the soil for 20-500 years before fully decomposing based on the material and structure. Over these years, it pollutes the soil and harms the earth. 

So, burning and throwing plastic does not work and leads to air pollution or soil pollution in the long term perspective. Then what will we do? Well, we can recycle and reuse plastic to an extent. But once the plastic is melted and reformed into new products, the quality of plastic gets reduced. In addition, the quality of plastic will keep reducing with every successive recycling. Furthermore, recycling is limited to a number 3 or 4 times because of the quality compromise of plastic. 

In fact, we only have a limited number of opportunities in the case of plastic. Either we reduce the use of plastic or recycle and reuse them as much as we can. 

Limiting the use of plastic seems more practical and smooth in our day-to-day life. There are many instances where we can reduce the use of plastic. Here are some of the tracts where we can instantly act to limit the usages of plastic

  • Use cloth bags instead of plastics bags while going to the shops.
  • Use paper plates and tumblers instead of plastic ones when you arrange a tea party or get-togethers. 
  • Use paper straws in restaurants and coffee shops.
  • Use paper bottled soft drinks.

There are more and more situations where we can reduce the unnecessary use of plastic covers and materials. It can turn out well when more people come forward with the same mindset of bringing down plastic use. 

Are there any alternatives for plastic?

Yes, there are. But literally, there are no materials with the exact matching properties with plastic. For instance, properties like durability, strength, water-resistant, lightweight, and inexpensive are rare to find in materials without polymer as an ingredient. Scientists and researchers are trying to formulate materials with the matching properties as plastic but with less pollution.

As said earlier, there are many instances where we can reduce the use of plastic and always try to avoid it as much as we can. Even if they are baby steps towards reducing plastic, take it and help our environment. Moreover, be a part of keeping the city and your premises clean.

Industrial Emission

powerpoint presentation on air pollution

Industries play a colossal role in all kinds of pollutions. They contribute almost one-third to the overall when we compare industrial pollution with other causes. Industries will be the 2nd largest cause of air pollution, water pollution, and sound pollution. Pollutants like carbon monoxide, Nitrogen dioxide, and Sulfur dioxide are released when they operate factories and industries. The volume of pollutants released into the atmosphere is way more than we imagine and the problems they can make are huge.

It is necessary to know where the pollution happens and who pollutes the air the most. Studies say that industries that produce electricity pollute the atmosphere more than any other industry.

A considerable amount of pollutants is kicked from the industries when the continuous burning of fossil fuels happened. These emitted gases make the most of the troubles to the ozone layer and cause ozone layer depletion. We need both electricity and the earth. We can not avoid one or the other for any reason. The only way is to protect both without harming each other. The only solution for this will be the rise of green energy. Only the challenge facing is the continuous supply of energy. Green energy like solar and wind are very cost-effective and pollution-free when comparing to the traditional ones.

Each and every individual can contribute and can be a part of saving the earth from air pollution and global warming. Switch to green energy as much as we can and reduce the consumption of traditional electricity from the government or private companies. Nowadays, everybody has inverters in the home as a standard facility. It will not cost you much to connect 2 or 3 solar panels to the battery and save 60% power usage from the traditional electric supply.

How can we reduce industrial air pollution?

As we said earlier, industries and factories are essential for the growth of the people and nation. We can’t stop factories in the name of air pollution. What we can do is, we can find some ways to reduce the amount of air pollution. For instance, we should try to convert these harmful gases to regular gases with the help of proper techniques and setups.

Most importantly, people living near industrial areas are very likely to have many allergies and lung diseases. Always wear a mask when you are going out or going near industrial and factory areas. If you are working in an industrial area, always wear a mask and other safety gear to ensure maximum safety.

powerpoint presentation on air pollution

Wildfires can take place at any time. It is an unplanned and uncontrolled fire caused by lightning strikes. As the name says, it occurs largely in forest areas. Mostly, the lighting strikes on the trees, branches, dry grass, and then the fire is generated. Eventually, this fire will spread to other trees, branches, and grasses and becomes wildfires, and causes air pollution.

Wildfires are common forested areas of the United States and Canada. It is one of the causes of air pollution, deforestation, and animal extinction. In a wildfire, many animals lose their lives and shelter. Some get burns and wounds in the running through the wildfire. 

All these will continue until fire settles down. Sometimes it takes 2-3 days to settle down completely. But in the end, we lose animals, trees, the environment, and what not?

Also, sometimes the causes of wildfire can be different. Sometimes it happens due to the carelessness of people living around the forest. For instance, even trash burning and campfires can spread fire if not concerned well. So it is always recommended to take precautions while doing wildfire potential activities.

Wildfires get worse when unattended. If you notice any fires or burns that need attention, call the authorities. Sometimes the fire can be controlled before getting worse.

Transportation

powerpoint presentation on air pollution

Transportation holds a neck-to-neck position with industries in the rate of air pollution. As we all know, the number of vehicles on the road is increasing day by day. Just look around, we could see houses with more than three vehicles even if they don’t need all of them. As the number of vehicles increases, the rate of pollution also tends to be increased. Old model vehicles are more likely to produce more pollution than new ones. Because when the vehicles get older and older, the amount of carbon emission increases. The rate of pollution is still on the rise even after the government and authorities made pollution laws strict. 

Every country has its own vehicle emission standards or norms for the safety of the environment and people living in the country. But still, transportation holds the position for the majority of air pollutions happening around the world.

How can we reduce pollution caused by vehicles?

Earlier, it was challenging to find an alternative for fuels like petrol or diesel. Right now, technology has improved – researchers found a better alternative solution for the petrol and diesel engines for automobiles. Yes, they are EV’s. Electric vehicles are completely different from traditional vehicles. They are pollution-free and highly efficient than fuel engines. Electric vehicles can be charged from the house or charging stations in and around the city. EV’s have 5x efficiency more than the regular diesel or petrol-fueled automobiles and 4x lesser reduced pollution.

EV’s are on the rise. By 2025, at least 50% of the new vehicles coming out from the factories will be electric vehicles. It will seriously help to reduce the rate of pollution to some extend. People will switch to EV’s when companies launch better models with luxury and comfort.

It may sound crazy to most of us. But think about walking a little every day and avoid taking cars or bikes for smaller distances. Or, use a bicycle to travel nearby. It will help us to improve both our health and the earth’s health.

What are the health issues due to air pollution?

The quality of the air we breathe is very crucial. Poor quality can cause many health diseases in both adults and kids. Especially to the people living in cities, the chances of getting a disease like heart disease, stroke, chronic obstructive pulmonary disease (COPD), lung cancer, and acute lower respiratory infections are very high.

Long-term exposure to polluted air in kids can lead to loss of lung capacity, asthma and emphysema. In addition, senior citizens are more likely to get allergies and breathing difficulties since they are less immune to the conditions. As a precaution to all of these, we can wear a mask while going out and traveling. If you are living in a highly polluted area, consider buying an air purifier for your home. An air purifier can help to improve the quality of air by filtering and thereby enabling a healthy environment inside our home for everyone.

How does air pollution affect environmental health?

The toxic gases also affect the environment in the same way. As the amount of harmful gases increases in the earth, the uncertainty of the environment’s health also increases. Changes in climates like temperature hikes, monsoon pattern shifts, and unexpected cyclones are a few examples. In these, ozone layer depletion is being the most complicated one.

We already know what is an ozone layer, and whats does it do? Let’s recall them for a while. The ozone layer is a part of the earth’s atmosphere, and it absorbs almost all of the sun’s harmful ultraviolet light. Guess what will happen when the ozone layer gets holes. All the harmful rays will fall into the animals, plants, and people on earth through the ozone layer holes. Studies say that by 2064 the ozone layer concentration levels may come to zero if the rate of pollution continues invariably. If that happens, the earth will not be a suitable place to live. The fun factor is, we don’t have any space other than earth to live right now. So, we have to protect the planet from being a desert.

Day by day, the rate of pollution is increasing. The hard truth is, nobody is really caring about the future of our planet. Even the government and authorities are keeping their eyes closed on social issues like global warming, air pollution, and soil erosion. If it keeps going like this, the earth will become uninhabitable.

Protecting the earth from pollutions is not deputed on somebody else. Each one of us should take responsibility and behave sensibly to protect the earth from pollution.

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chapter 12 air pollution

Chapter 12: Air Pollution

Jul 14, 2014

570 likes | 1.52k Views

Chapter 12: Air Pollution. A brief history of air pollution Types and sources of air pollutants Factors that affect air pollution Air pollution and the urban environment Acid deposition. A Brief History of Air Pollution. London’s historical problems King Edward I forbid sea coal in 1273

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Presentation Transcript

Chapter 12: Air Pollution • A brief history of air pollution • Types and sources of air pollutants • Factors that affect air pollution • Air pollution and the urban environment • Acid deposition

A Brief History of Air Pollution • London’s historical problems • King Edward I forbid sea coal in 1273 • London known for “pea-soup” (dangerous) • One “pea-soup” incident caused 700 deaths • Term “smog” created around 1911 • Disastrous London smog event of 1952 • Winds died, smog settled over London • People could see where they were walking for 5 days • Killed 5,000 lives • Caused Parliament to pass Clean Air Act of 1956

A Brief History of Air Pollution • Donora, Pennsylvania pollution episode, 1948 • Pollution trapped in Monongahela River Valley by inversion (20 people died) • U.S. Clean air act, 1970, 1990 • Due to high pollution, Congress passed Clear Air Act (revised in 1977, 1990) • Sets emission standards • Incentives for companies to lower emission

Principal Air Pollutants • Primary pollutants • Enter atmosphere directly • Secondary pollutants • Enter atmosphere from chemical reactions • Globally, a large percentage of air pollution sources are natural. Within localized areas, however, human-caused sources are often the largest contributors.

Principal Air Pollutants • Particulate matter – solid particles and liquid droplets small enough to remain suspended (aerosols). • Not poisonous - soot, smoke, dust, pollen • More dangerous – asbestos, arsenic, oil, sulfuric acid • PM10 – Particulates with diameters < 10 micrometers • Small enough to penetrate into lungs • Can remain in air for long time • Wind can carry great distances • Asian dust can transport dust long distances

Principal Air Pollutants

Principal Air Pollutants • PM2.5 – Particulates with diameters < 2.5 micrometers • Penetrate farther into lungs • Found in diesel soot and are carcinogenic (school buses, traffic corridors) • Removed by rain, snow, ice crystals

Principal Air Pollutants • Carbon Monoxide – major pollutant in cities. Colorless, odorless, poisonous gas • 60 million metric tons enter U.S. air annually. Half from highway vehicles. • Extremely dangerous and can kill quickly in poorly ventilated areas.

Principal Air Pollutants • Sulfur dioxide – comes from sulfur-containing fossil fuels. Colorless. Comes from power plants, heating devices, paper mills, volcanoes • Can form into secondary pollutants (sulfur trioxide, sulfuric acid • Hurt breathing and certain plants

Principal Air Pollutants • Volatile organic compounds – organic compounds mainly made of hydrogen and carbon • Methane, benzene, formaldehyde, chlorofluorocarbans • Nitrogen oxides – formed when nitrogen combines with oxygen during fuel combustion • Nitrogen dioxide, nitric oxide (NOx) • Vehicles, power plants, garbage dumps • Along with ozone, VOCs and NOx are major components of photochemical smog.

Ozone in the Troposphere • Photochemical smog – formed when chemical reaction takes place with sunlight • Ozone – Dangerous at surface. Irritates eyes, lungs. Can cause asthma and bronchitis • Causes several billions of dollars in loss from crop yield • Photochemical smog is a problem on most major cities of the world.

Ozone in the Troposphere

Ozone in the Stratosphere • Relationship to ultraviolet radiation • Ozone layer shields surface from UV radiation • UV can cause skin cancer • Eye cataracts • Hurt immune system

Ozone in the Stratosphere • Ozone broken down into O2 and O when UV hits it • Chloroflucarbons (CFCs) where used in hairsprays, deodorants, propellants until 1987 (Montreal Protocol) • Stable at surface, enter stratosphere from t-storms, near jet streams

Ozone in the Stratosphere • Sunlight breaks off the Chlorine and it breaks up ozone • CFCs are very long-lasting • One CFC can destroy 100,000 Ozone molecules

Ozone in the Stratosphere

Air Pollution: Trends and Patterns • Primary air quality standards – standards set up to protect human health • secondary air quality standards- standards set up to protect visibility, crops, and buildings • Nonattainment areas – areas that do no meet air quality standards • Secondary air pollutants are particularly difficult to control, because they are not emitted directly into the atmosphere.

Air Pollution: Trends and Patterns • 80 millions Americans breathing air not meeting one standard • Air Quality Index (AQI) – includes carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, ozone • Highest pollutant is one used in index • Anything higher than 100 is unhealthy

Fig. 12-11, p. 338

The Role of the Wind

The Role of the Wind • Dilution – mixing air pollution in a greater volume of air. Can create problems downwind • “Dilution is the solution to pollution” - in the 1950s this motto led to the construction of tall smokestacks for large factories. Pollution was released higher in the atmosphere where winds were stronger. Air quality improved locally but suffered downwind.

The Role of Stability and Inversions • Temperature lapse rates • Inversions inhibit vertical movement. Keep pollutants in a layer • Mixing depth – the depth of the mixing layer (the layer from the surface to the top of the inversion) • The mixing layer can often be easily seen from an airplane.

The Role of Stability and Inversions

The Role of Topography • Cold air drainage – air drains downhill over night, carrying pollutants • Air blockage by mountain ranges. Mountains block the progress of flow. Blocks pollutants from moving out of the region

The Role of Topography

Severe Air Pollution Potential • Many sources (clustered close together) • High pressure (becomes stationary, light winds) • Inversions (inhibits vertical movement) • Stagnation (pollutants unable to disperse) • Valley (pollutants accumulate) • Some locations, like Los Angeles and Mexico City, have an unfortunate combination of surrounding topography, frequent inversions, abundant emissions and plentiful sunlight - perfect conditions for photochemical smog.

Air Pollution and the Urban Environment • Urban heat island – cities are warmer than rural areas • Country breeze – Return breeze in circulation

Acid Deposition • Dry deposition – when pollutants slowly settle to ground • Wet deposition – when pollutants are carried to ground by rain, snow • Acid rain effects • Strangely enough, an acidified lake looks crystal clear and beautiful. But the beauty is false; it’s only clear because nothing is alive in it.

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ExxonMobil is suing investors who want faster climate action

Michael Copley

powerpoint presentation on air pollution

The ExxonMobil logo appears above a trading post at the New York Stock Exchange. Richard Drew/AP hide caption

The ExxonMobil logo appears above a trading post at the New York Stock Exchange.

ExxonMobil faces dozens of lawsuits from states and localities alleging the company lied for decades about its role in climate change and the dangers of burning fossil fuels. But now, ExxonMobil is going on the offensive with a lawsuit targeting investors who want the company to slash pollution that's raising global temperatures.

Investors in publicly-traded companies like ExxonMobil try to shape corporate policies by filing shareholder proposals that are voted on at annual meetings. ExxonMobil says it's fed up with a pair of investor groups that it claims are abusing the system by filing similar proposals year after year in an effort to micromanage its business.

ExxonMobil's lawsuit points to growing tensions between companies and activist investors calling for corporations to do more to shrink their climate impact and prepare for a hotter world. Interest groups on both sides of the case say it could unleash a wave of corporate litigation against climate activists. It is happening at a time when global temperatures continue to rise, and corporate analysts say most companies aren't on track to meet targets they set to reduce their heat-trapping emissions.

Exxon minimized climate change internally after conceding that fossil fuels cause it

Exxon minimized climate change internally after conceding that fossil fuels cause it

"Exxon is really upping the ante here in a big way by bringing this case," says Josh Zinner, chief executive of an investor coalition called the Interfaith Center on Corporate Responsibility, whose members include a defendant in the ExxonMobil case. "Other companies could use this tactic not just to block resolutions," Zinner says, "but to intimidate their shareholders from even bringing these [climate] issues to the table."

ExxonMobil said in an email that it is suing the investor groups Arjuna Capital and Follow This because the U.S. Securities and Exchange Commission (SEC) isn't enforcing rules governing when investors can resubmit shareholder proposals. A court is the "the right place to get clarity on SEC rules," ExxonMobil said, adding that the case "is not about climate change."

Businesses face more and more pressure from investors to act on climate change

Businesses face more and more pressure from investors to act on climate change

Other corporations are watching ExxonMobil's case, says Charles Crain, a vice president at the National Association of Manufacturers, which represents ExxonMobil and other industrial companies.

"If companies are decreasingly able to get the SEC to allow them to exclude proposals that are obviously politically motivated, then the next question is, well, can the courts succeed where the SEC has failed — or, more accurately, not even tried?," Crain says.

powerpoint presentation on air pollution

A customer pumps gas at an ExxonMobil gas station in Houston, Texas. Brandon Bell/Getty Images hide caption

A customer pumps gas at an ExxonMobil gas station in Houston, Texas.

Activists push companies for more aggressive climate strategies

The shareholder proposal from Arjuna and Follow This called for ExxonMobil to cut emissions faster from its own operations and from its supply chain, including the pollution that's created when customers burn its oil and natural gas. That indirect pollution, known as Scope 3 emissions, accounts for 90% of ExxonMobil's carbon footprint, according to Arjuna and Follow This. The proposal is similar to others that the investor groups submitted to ExxonMobil in recent years and which ExxonMobil says received scant support from other shareholders.

After ExxonMobil sued the groups in federal court in Texas in January, Arjuna and Follow This withdrew the proposal and promised not to submit it to ExxonMobil again. But ExxonMobil refuses to drop its case .

Arjuna declined to comment. The firm said in a court filing that ExxonMobil''s climate targets aren't as ambitious as those of other big oil and gas companies, and that its shareholder proposal was meant to "foster better investment outcomes by addressing the material threat that climate change poses" to the company.

Mark van Baal, founder of Follow This, said in a statement that ExxonMobil is trying to stifle shareholders.

"Apparently, Exxon does not want shareholders to vote on whether the company should accelerate its efforts to reduce emissions," van Baal said. "This is the concern of more and more investors who want [to] safeguard the long-term future of the company and the global economy in view of the climate crisis."

powerpoint presentation on air pollution

A fire tornado forms near cars parked on a country road at the Blue Cut Fire in 2016 near Wrightwood, California. Climate change is causing longer and more active fire seasons, according to the National Oceanic and Atmospheric Administration. David McNew/Getty Images hide caption

A fire tornado forms near cars parked on a country road at the Blue Cut Fire in 2016 near Wrightwood, California. Climate change is causing longer and more active fire seasons, according to the National Oceanic and Atmospheric Administration.

Companies are offering more transparency on climate, but activists say they need to see action

Last year was the hottest ever recorded on Earth, and the effects were devastating. Rising temperatures are driving more extreme weather, from heat waves to floods and droughts . And scientists say the impacts will only get worse because humans keep putting more greenhouse gasses into the atmosphere, mainly from burning fossil fuels like coal, oil and natural gas.

Thousands of peoples' lives are disrupted or harmed by extreme weather, and the economic costs are enormous. Weather disasters in the United States last year inflicted at least $92.9 billion in damages , according to the National Oceanic and Atmospheric Administration.

Those threats put pressure on companies. Corporations regularly issue reports on climate change and sustainability. And many, including ExxonMobil , say they're trying to eliminate or offset their greenhouse gas emissions by midcentury. But independent researchers say few companies have shown credible plans to achieve their targets.

"What we've seen, unfortunately, is that even in the face of disclosure and more transparency from these companies, not much has actually changed from a strategy perspective," says Kevin Chuah, an assistant professor at Northeastern University's D'Amore-McKim School of Business.

California's lawsuit says oil giants downplayed climate change. Here's what to know

California's lawsuit says oil giants downplayed climate change. Here's what to know

The impact of rising temperatures has also led states and municipalities to sue ExxonMobil and other oil and gas companies for the threats that their communities are facing, and the industry's alleged efforts to muddy the public's understanding of climate science. The latest lawsuits were filed by the city of Chicago and the state of California.

An industry group called the American Petroleum Institute says the lawsuits are meritless and politicized. ExxonMobil says it has acknowledged repeatedly that "climate change is real ." The company noted in its statement to NPR that it is pursuing more than $20 billion of "low emission investments" between 2022 and 2027. ExxonMobil said that would be on top of the nearly $5 billion it recently spent buying a company that specializes in capturing carbon dioxide emissions and injecting them into oil wells to boost production.

However, those investments are a fraction of what the company is spending on its traditional energy business. A deal ExxonMobil struck last year to buy the oil and gas company Pioneer Natural Resources alone is valued at almost $60 billion.

powerpoint presentation on air pollution

A protester holds a sign outside of the ExxonMobil annual shareholders meeting in Dallas in 2008. Brian Harkin/Getty Images hide caption

A protester holds a sign outside of the ExxonMobil annual shareholders meeting in Dallas in 2008.

Critics say ExxonMobil's lawsuit is part of a broader effort to limit investor activism

Activist investors like Arjuna and Follow This use shareholder proposals to push corporations to go further on climate. But they've struggled in recent years to get support from broader groups of shareholders. Experts say investors are hesitant to back new climate proposals when companies already have policies to disclose and cut emissions. And they say investors worry that proposals have gotten too prescriptive and might interfere with how companies are run.

Despite a drop in support for shareholder proposals on climate change, investors aren't giving companies a pass, according to an investor survey by the accounting firm EY . The firm said 56% of the investors it talked to still want companies to make climate change and environmental conservation a priority this year.

"I think these are financially material issues," says Chuah of Northeastern University. "And therefore many investors are bringing these concerns up."

ExxonMobil says it is committed to cutting emissions from its operations. But the idea that activist investors like Arjuna and Follow This can quickly push the company out of the oil and gas business with new climate policies is "simplistic and against the interests of the vast majority of ExxonMobil shareholders," the company said in a court filing in Texas.

ExxonMobil said in a statement to NPR that while shareholders are entitled to submit proposals to the company, they don't have "an unlimited right to put forth any proposal to do anything."

"Their intent is to advance their agenda rather than creating long-term value for shareholders," ExxonMobil said of Arjuna and Follow This.

Parts of corporate America have grown frustrated with the shareholder proposal process since the SEC issued guidance in 2021 that made it harder for companies to turn away some resolutions. The SEC specifically cited shareholder proposals that ask companies to set targets and timeframes to address climate change, saying it would no longer view those kinds of resolutions as inappropriate as long as companies are free to decide how to meet the goals.

The National Association of Manufacturers has argued that forcing companies to publish shareholder proposals that deal with "contentious issues unrelated to [their] core business or the creation of shareholder value," including climate change, violates their First Amendment right of free speech. And Republicans in Congress introduced legislation last year that would allow companies to reject shareholder proposals concerning environmental, social or political issues.

"Certainly, there are material climate-related topics that are going to be relevant for a company considering its growth into the future," Crain says. But he says activists too often pursue a "political goal" rather than try to help companies "understand and mitigate those climate related risks or opportunities for their operations."

Crain declined to discuss individual companies or shareholder proposals, and he says there isn't an objective way to determine when a shareholder proposal is politically motivated.

ExxonMobil's critics say its lawsuit is part of a broader effort to curtail shareholder activism, especially around social and environmental issues. "And the reason is because it's one of the few effective avenues left to hold companies accountable," says Zinner of the Interfaith Center on Corporate Responsibility.

Correction Feb. 29, 2024

An earlier version of this article incorectly referred to the Interfaith Center on Corporate Accountability. The group is called the Interfaith Center on Corporate Responsibility.

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