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Coalition Sues Trump EPA for Torching Air Pollution Standards
"The repeal of these protections will mean more asthma attacks, emergency room visits, and premature deaths," said more than two dozen environmental and health groups.
Mar 30, 2026
A coalition of more than two dozen environmental and health groups sued the Trump administration on Monday for repealing Environmental Protection Agency rules that curbed dangerous chemical pollution from coal-fired power plants.
As part of President Donald Trump's efforts to dramatically expand the use of coal, the EPA last month finalized the repeal of the 2024 Mercury and Air Toxics Standards (MATS), which tightened existing restrictions on the emission of mercury, lead, and other brain-damaging chemicals from power plants.
Coal emits more planet-heating carbon dioxide per unit than any other fossil fuel. Coal plants also release a slew of other chemicals that can cause numerous health complications, including asthma, lung cancer, and respiratory infections.
The EPA says coal-fired power plants are also the single largest source of airborne mercury emissions, which can impair cognitive development, especially in young children.
MATS was created in 2012 to counter these effects and proved quite successful. Within six years of its enactment by the EPA, the amount of toxic mercury being emitted into the atmosphere from energy plants had declined by 90%, according to an agency report.
The Trump EPA has not repealed MATS entirely. Instead, it has targeted amendments enacted by the Biden administration in 2024 that lowered caps on mercury emissions, as well as on other toxic chemicals such as nickel and arsenic.
The EPA has also repealed rules requiring constant monitoring of toxic chemical emissions. Instead of installing expensive systems to track their outputs 24/7, plants can revert to conducting occasional checks.
The repeal came after the administration had already given dozens of coal plants a two-year exemption from the standards last April, even though, according to the agency, 93% were already on track to meet the requirements.
According to an analysis of EPA data by the Natural Resources Defense Council (NRDC) last month, sulfur dioxide pollution from coal plants increased by 18% last year, with those exempt from the rules surging almost twice as much as those not exempt.
The lawsuit, filed in the US Court of Appeals for the District of Columbia, argues that the Trump administration's actions violate the Clean Air Act, ignore the scientific record, and endanger communities living near power plants.
The suit is backed by groups including the NRDC, the Sierra Club, and the Environmental Defense Fund, as well as the American Academy of Pediatrics and the American Lung Association.
"The repeal of these protections will mean more asthma attacks, emergency room visits, and premature deaths," the groups said in a statement challenging the repeal. "This administration is not just rolling back rules, it is eliminating the monitoring infrastructure needed to know what is coming out of these smokestacks in the first place."
"It is allowing coal plants to spew out more neurotoxic mercury into our air and food supply, while simultaneously keeping the communities most at risk in the dark about how serious that threat is," they said. "This is a betrayal of the EPA’s core mission.”
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'Direct Attack on the Health of Americans': Trump EPA Greenlights More Mercury Pollution
Sierra Club said the rollback "puts the public at greater risk of heart and lung disease, cancer, and even premature death, as well as causing severe neurological damage to fetuses and children.”
Feb 20, 2026
The Trump administration on Friday finalized its rollback of clean air regulations limiting mercury and other toxic pollutants from power plants, sparking condemnation from public health and environmental advocates who warned that the move will increase the risk of death or serious illness for millions of people in the United States.
The US Environmental Protection Agency (EPA) said it is repealing the Mercury and Air Toxics Standards (MATS), which were implemented during the Biden administration in order to protect people from mercury and other toxic air pollutants—including arsenic, lead, and chromium—from fossil fuel power plants.
The Trump administration contends that rescinding MATS will lower financial costs for utilities running older coal-fired plants during a period of rapidly rising demand from consumer and data centers powering artificial intelligence systems.
“The Biden-Harris administration’s anti-coal regulations sought to regulate out of existence this vital sector of our energy economy," EPA Administrator Lee Zeldin said Friday at the Mills Creek Power Plant, a coal-fired facility in Louisville, Kentucky. "The Trump EPA knows that we can grow the economy, enhance baseload power, and protect human health and the environment all at the same time."
However, the Sierra Club said Friday that "rolling back the new and more protective [MATS] will allow coal- and oil-fired power plants to emit more damaging pollution that puts the public at greater risk of heart and lung disease, cancer, and even premature death, as well as causing severe neurological damage to fetuses and children."
"According to the Sierra Club’s Trump Coal Pollution Dashboard, reversing the 2024 improvements and reverting to the 2012 standards will allow the dirtiest coal-fired power plants to emit 50% more mercury pollution," the group added. "In May 2025, the Trump administration exempted 68 power plants—including some of the biggest polluters in the nation—from MATS after soliciting exemption requests from big polluters over email."
Sierra Club Beyond Coal campaign director Laurie Williams called the MATS rollback "a direct attack on the health of Americans."
Last June, Sierra Club was a key part of a coalition of environmental and community groups that sued the Trump administration over the exemptions.
“These protections from mercury and other toxic pollution existed to protect communities from reckless polluters," Sierra Club campaign organizing strategist Bonnie Swinford said Friday. "By repealing these protections, the Trump administration is giving handouts to the coal industry elites—and waging war on the public’s ability to hold polluters accountable."
The Environmental Protect Network also decried the MATS repeal, saying it "will allow hundreds of facilities across 45 states to avoid meeting critical safety standards—jeopardizing public health, degrading ecosystems, and disproportionately harming children, pregnant people, and communities already overburdened by pollution."
"This is no way to make America healthy again."
Moms Clean Air Force co-founder and director Dominique Browning focused on the harms to children the rollback will inflict.
"The science is clear, and profoundly alarming. No amount of mercury is safe for babies’ developing brains," she said. "Mercury is a dangerous neurotoxin that damages the architecture of babies’ and children’s developing brains."
“The mercury rules were working," Browning argued. "Toxic emissions from US coal plants were dropping, and water bodies were getting cleaner. But now EPA Administrator Zeldin’s rollback... will allow coal plants to emit more toxic heavy metals like mercury, chromium, and lead—pollutants that contaminate our air, fall into our lakes and waterways, and poison our food supply."
"This is no way to make America healthy again," she added, referring to one of President Donald Trump's campaign slogans.
Julie McNamara, associate policy director at the Union of Concerned Scientists' Climate and Energy Program, said in a statement Friday: “Once again, the Trump administration is abandoning science and abandoning statute to give polluters a free pass. And once again, the Trump administration is doing so at the expense of people’s health."
National Resources Defense Council senior attorney John Walke asserted that "the coal industry is in decline, and dismantling clean air protections won’t bring it back."
“It will only lead to more asthma attacks, more heart problems, and more premature deaths, especially in communities living in the shadow of coal plants," Walke added. "We have a right to breathe clean air, and we will fight for that right even if Trump’s EPA refuses to.”
The EPA’s newest decision will allow power plants to emit more brain-damaging mercury and dangerous soot pollution, putting frontline communities at especially greater risk of heart and lung disease, cancer, and premature death.
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— NRDC (@nrdc.org) February 20, 2026 at 9:09 AM
Friday's EPA announcement followed the agency's repeal earlier this month of the endangerment finding, the Obama-era rule empowering climate regulation over the past 15 years that treated six greenhouse gases caused by burning fossil fuels as a single air pollutant for regulatory purposes.
Speaking at a Friday press conference in Washington, DC organized by Moms Clean Air Force, Talia, a local fourth grade student, said that “climate disasters are becoming more common, and they’re hurting our planet, our health, and the future of kids like me."
“Adults in the government are supposed to protect kids from climate change and not ignore it," she said, adding in a message to Trump officials that "we are taught to listen to scientists and doctors and moms—why don’t you listen to them?”
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Amazon Countries Shouldn’t Have to Fight Environmental Crime Alone
While progress among Amazon countries is laudable, we also need countries from outside the region to take a stand against environmental crimes, illegally sourced natural resources, and illicit financial flows stemming from environmental destruction.
Sep 11, 2025
On August 22, leaders from the eight Amazon countries gathered to take stock of current efforts to protect the world’s largest rainforest and river basin. The meeting came at a time when the Amazon faces unprecedented threats from illegal logging and mining, unchecked expansion of ranching and farming into protected areas, uncontrolled megafires, and rising levels of crime and violence. 2024 was the fifth worst year on record for deforestation in the Amazon region, with over 4.3 million acres of forest lost. Meanwhile, illegal gold mining in the Amazon has doubled since 2018, expanding into increasingly remote and ecologically sensitive areas and threatening the safety and well-being of local communities.
In the balance hangs the future of one of the most special and biodiverse places on Earth. The Amazon is home to a staggering 3 million species, including flagship species such as jaguars, pink river dolphins, and some of the largest eagles in the world. Beyond its incredible biodiversity, the Amazon rainforest plays a key role in our global defense against climate change, absorbing one-fourth of the carbon dioxide absorbed by all the land on Earth.
The Amazon is also critically important as a home to an estimated 40 million people (roughly the population of Canada), including an estimated 400 Indigenous groups speaking 300 languages. Amazon residents are facing complex threats including rising levels of violence and insecurity, mercury contamination from illegal mining, extreme weather events such as droughts and wildfires, limited state presence, and insufficient economic opportunity. Many of these challenges stem from the rising role of environmental crime in the region, which threatens local livelihoods, contaminates food and water sources, and empowers criminal organizations operating with increasing levels of violence and sophistication.
As leaders gathered at the Fifth Presidential Summit of Amazon Countries in Bogota, Colombia, it was clear to many of us attending that the stakes were high. On balance, the results of the summit were positive. Those of us working to combat environmental crimes were pleased to see countries formally commit to crucial issues, including:
- Addressing mercury use;
- Strengthening security cooperation in response to cross-border illicit activities in the Amazon Region, including environmental crimes, threats to environmental defenders, and human rights violations; and
- Increasing technical cooperation among member countries for the exchange of information, experiences, and best practices related to gold traceability.
While these commitments mark progress, much more is needed. Some of the commitments are quite vague, particularly around illegal mercury use. With over 200 tons of illegal mercury trafficked into the Amazon region over the past five years, and emerging accounts of Amazon children who cannot speak or walk due to exposure to this toxic substance, countries need to commit to far more than “advancing the development of initiatives that allow addressing” this deadly harm.
Yet the region will have a hard time addressing these challenges without cooperation from the countries that serve as the destination for products and profits deriving from the Amazon’s destruction. Our work at the FACT Coalition has shown how the profits from environmental crimes in the Amazon flow to financial hubs outside of the region, notably the United States.
Take gold, for example. Our research has shown that the United States is a major destination for both illegally sourced gold and the illicit funds associated with its sale. Other global financial and trade centers play similarly important roles. The United Kingdom is among the world’s largest gold centers and is home to influential standards-setting bodies such as the London Bullion Market Association (LBMA), and Switzerland is a global hub for gold refining. Could the Amazon region reasonably be expected to address illicit gold trading without engagement from these multibillion dollar markets?
The US should also resume recently-cancelled funding for international projects related to combating environmental crimes.
This is an important reminder that the devastating, rapidly growing environmental crimes threatening the Amazon with illicit extraction of natural resources do not occur in a vacuum. Illegally sourced natural resources from the Amazon region often enter global markets—and the illicit wealth they produce ends up far from the banks of the Amazon river, secreted away in shell companies, real estate, and other opaque structures.
While progress among Amazon countries is laudable, we also need countries from outside the region to take a stand against environmental crimes, illegally sourced natural resources, and illicit financial flows stemming from environmental destruction. They can do this by closing loopholes in their trade and financial systems, prosecuting environmental criminals, and cracking down on shell and front companies, the preferred financial getaway vehicle for environmental criminals.
Specifically, the US should address corporate and financial opacity in its own markets by implementing key reforms. This should include:
- Addressing the outsized role of US anonymous shell companies in environmental crimes by fully implementing the Corporate Transparency Act (CTA);
- Making transnational environmental crimes—such as those committed in the Amazon rainforest—an underlying offense for money laundering, which would help US prosecutors go after billions of dollars in dirty money driving environmental destruction;
- Requiring the same documentation needed to bring $10,000 in cash into the United States for $10,000 worth of gold, thereby closing a major loophole that is currently used by environmental criminals;
- Passing the bipartisan United States Legal Gold and Mining Partnership Act, which would establish a multi-year strategy to reduce the environmental and social impacts of illegal gold mining in the Western Hemisphere; and
- Ensuring that US government agencies working to protect the Amazon and combat environmental crimes have the resources they need to effectively do their job.
The US should also resume recently-cancelled funding for international projects related to combating environmental crimes. This should include support for formalization efforts for local workers, such as artisanal gold miners, helping to connect them with environmentally friendly techniques and responsible consumer markets.
It’s great to see Amazon countries committing to new measures to combat environmental crime. But they shouldn’t have to do it alone—especially when partnership from global allies could make all the difference.
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