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"The fossil fuel industry and this administration's policies are adding fuel to the fire, and ordinary ratepayers are the ones getting burned," said one campaigner.
The Trump administration's rollback of clean energy policies will cost American consumers $650 billion in additional energy bills by 2040, according to an analysis published Wednesday by a nonpartisan think tank.
Energy Innovation, a San Francisco-based energy and climate policy think tank, said in its report that "federal policy changes since January 2025 will increase energy prices, slow economic growth and job creation, increase air pollution and healthcare costs, and worsen grid reliability."
The analysis examines seven major policy shifts during the second term of President Donald Trump, who—for the third time—ran on an aggressively pro-fossil fuel and anti-clean energy platform:
According to the analysis, "Households will pay an additional $650 billion for energy—an average of $460 per household in 2035 and $490 in 2040."
Additionally, the report states that "cutting policies that drive innovation and efficiency in the transportation sector will inflate gasoline prices 14% in 2035 and 26% in 2040, atop near-term upward pressure from the Iran War and other market forces."
"OBBBA and reduced federal support for domestic manufacturing and innovation will cost the US economy 820,000 jobs per year on average over the next decade, in addition to the 144,000 clean energy jobs lost within the past 18 months," the publication forecasts.
"Slowing down electrification and domestic energy manufacturing will lower [gross domestic product] in all years, totaling $2.3 trillion cumulative lost GDP, with effects flowing into other economic sectors," the study warns. "The US economy will lose $150 billion in GDP in 2030, peaking at a $250 billion net loss in 2032, then reverting to losses of $200 billion in 2035 and $120 billion in 2040."
Furthermore, "worsening local air pollution will raise healthcare costs by $43 billion, with annual increases of $4 billion in 2035 and $4.5 billion in 2040, contributing to rising household costs alongside rising energy prices and goods inflation."
Energy Innovation stressed that states must act to mitigate the costs and harms of federal inaction. The report recommends helping wind and solar projects qualify for expiring tax credits under safe harbor rules, removing barriers to additional clean energy development, boosting electric vehicles, supporting energy efficient electrification, and stimulating investment in new clean industries.
The new analysis—whose findings are disputed by the Trump administration—comes amid an unabated affordability crisis that Trump vowed to tackle, and as electricity prices soar in much of the nation as a heat dome, fueled by human burning of fossil fuels, broils large swaths of the country in what many experts warn is the new normal in a worsening climate emergency.
Responding to the analysis, Candice Fortin, US campaigns manager at the climate action group 350.org, said: "This report puts numbers on something households are already feeling in their bills and their blackouts. We were told cutting clean energy would lower costs. Instead, we’re seeing the opposite: rates spiking, grids failing under record heat, and households paying more while data centers’ electricity use explodes."
"You can’t fix an affordability crisis by blocking the cheapest, fastest power we have to build," Fortin added. "The fossil fuel industry and this administration’s policies are adding fuel to the fire, and ordinary ratepayers are the ones getting burned.”
"The court’s rejection of the Trump administration’s attempt to eliminate our national health standards for soot will mean healthier, longer lives for people across the country," said one advocate.
A federal appeals court on Friday rejected the US Environmental Protection Agency's attempt to scrap a Biden-era rule tightening limits on harmful soot pollution spewed from coal-fired power plants and other sources.
In a unanimous ruling, a three-judge panel of the US Court of Appeals for the District of Columbia Circuit dealt a blow to President Donald Trump's deregulatory agenda by leaving intact a national soot standard enacted in 2024 that lowers the amount of fine particulate matter from power plants, factories, and vehicles from 12 to 9 micrograms per cubic meter.
"Soot, made up of tiny toxic particles that lodge deep in the lungs, results in severe health harms, including premature death, and comes from sources like vehicle exhaust pipes, power plants, and factories," the legal advocacy group Earthjustice explained.
The Environmental Protection Agency (EPA) under Administrator Lee Zeldin last year asked the appellate court to invalidate the soot rule, claiming that the Biden administration exceeded its authority and failed to take into account the economic cost of implementing the policy.
“Clean air is not a luxury. We are thrilled these vital air quality standards have been upheld by a federal court,” said Patrice Simms, vice president of Healthy Communities at Earthjustice. “The 2024 soot standard is a critical advancement for public health, projected to save thousands of lives every year. Lee Zeldin’s EPA must stop catering to polluters and must instead fulfill its mission to protect public health. The time for implementing the 2024 soot standard is now.”
Clean Air Task Force senior director of legal advocacy Shaun Goho also welcomed the ruling, saying: "Fine particulate matter standards provide critical public health protections. The court correctly rejected EPA’s about-face on the need for a stronger standard."
Katie Huffing, executive director of the Alliance of Nurses for Healthy Environments, called Friday's decision "a win for public health."
“Every day in practice, nurses witness and treat conditions made worse by soot pollution," she said. "From asthma exacerbations and chronic obstructive pulmonary disease to heart disease and preterm birth, nurses see the real-world health implications of toxic air pollution."
"The science shows stronger limits to reduce dangerous soot pollution provide significant health benefits for Americans, especially for those most vulnerable and those exposed to higher levels of particulate matter pollution," Huffing added. "We now urge EPA to fully implement the strengthened standard to ensure those health benefits are realized.”
Noha Haggag, senior attorney for the Environmental Defense Fund, said that “today’s federal court decision is good news for clean air in America and for the millions of people harmed by deadly soot."
“Soot can cause asthma attacks, lung cancer, and premature deaths," Haggag added. "The court’s rejection of the Trump administration’s attempt to eliminate our national health standards for soot will mean healthier, longer lives for people across the country.”
“This morally bankrupt bill will only lead to dirtier air, more toxic water, and countless species shoved over the extinction cliff," said one wildlife defender.
Congressional Republicans on Wednesday approved an appropriations bill containing massive cuts to Environmental Protection Agency funding, more than 20 riders undermining the Endangered Species Act, and other provisions harmful to the environment and wildlife—while boosting mining on federal lands.
Republicans on the House Appropriations Committee advanced the fiscal year 2027 Interior, Environment, and Related Agencies funding bill, which slashes total expenditures for the EPA by 20% and reduces its enforcement budget by $169 million—or nearly half, compared to last year’s levels. GOP lawmakers claim the dramatic reduction in EPA funding "safeguards American taxpayer dollars."
The bill also cuts the US Fish and Wildlife Service's listing budget nearly in half, "effectively dismantling the program in charge of determining which animals and plants deserve protection under the Endangered Species Act," according to a letter sent by a coalition of 80 conservation groups to House Appropriations Committee Chair Tom Cole (R-Okla.) and Ranking Member Rosa DeLauro (D-Conn.).
"The legislation also contains a total of at least 21 anti-wildlife poison pill riders—the largest number of policy riders that has ever been included in the base bill in the history of the Endangered Species Act," the groups' letter notes. "These riders would cause irreparable harm by undoing decades of progress to stabilize and recover some of our most iconic species."
The riders include measures blocking or weakening protections for imperiled species including the greater sage-grouse, lesser prairie chicken, northern long-eared bat, northern spotted owl, Canada lynx, and seven species of freshwater mussels.
Provisions in the bill also prohibit the federal government from banning or restricting lead in ammunition or fishing gear, block the reintroduction of grizzly bears in the North Cascades and Bitterroot ecosystems, and revive Florida’s illegal wetland destruction permitting program that harms species, including the Florida panther and frosted flatwoods salamander.
The Center for Biological Diversity (CBD), one of the groups leading the letter to House Appropriations Committee leaders, noted Thursday that the legislation also codifies climate denialism into law "by exempting federal land management agencies from updating their plans when new information shows endangered species are being harmed or killed on public lands."
Meanwhile, the bill contains provisions intended to expand mining on federal lands, including reinstating certain mineral leases and limiting some land withdrawals.
"Instead of lowering the cost of living and confronting the climate crisis, House Republicans are raising utility bills and energy prices," the office of House Interior, Environment, and Related Agencies Subcommittee Ranking Member Chellie Pingree (D-Maine) said in a statement Wednesday.
"The legislation takes an aggressive anti-environment, pro-corporate polluter stance with cuts to the EPA and policy provisions that endanger public health and fail to confront the climate crisis," Pingree's office added. "The bill also guts resources for the arts and museums while failing to prevent the administration from misusing funds to build President [Donald] Trump’s Garden of Heroes and Triumphal Arch."
The Republicans’ spending bill for Interior + Environment is a disaster:🚨 20% cut to EPA🚨 Free passes to polluters🚨 Rollbacks on PFAS regulations🚨 Millions for Trump’s vanity projectsThey care more about the president’s ego than the health of people and our planet.We're in for a FIGHT.
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— Congresswoman Chellie Pingree (@pingree.house.gov) June 3, 2026 at 9:32 AM
Pingree's office said the bill:
Democrats offered amendments to the bill during full committee markup, including measures to remove all the poison pills from the legislation, promote renewable energy, ban coastal oil drilling in California and Florida, provide funding for environmental justice initiatives, and prevent the construction of Trump vanity projects including his White House ballroom and bunker. Republicans rejected all of the amendments.
"This bill is a gift to corporate polluters, who would poison our communities in pursuit of even greater profits," DeLauro said in a statement Wednesday. "It saddles cities, towns, and working families with higher utility bills. And it allows President Trump to continue raiding public funds to pay for his own vanity projects."
"At a time when the American people are struggling to make ends meet, this bill makes the problem worse," she added. "It does nothing to bring down costs, while allowing the billionaires and big corporations, who have profited by polluting our communities, to get even richer. Meanwhile, the air we breathe and the water we drink gets less and less safe.”
CBD director of government affairs Stephanie Kurose said Thursday that "it's a disgrace that House Republicans want to dismantle decades of environmental progress and hand polluters unprecedented power over the health of our communities, public lands, and wildlife."
“This morally bankrupt bill will only lead to dirtier air, more toxic water, and countless species shoved over the extinction cliff," Kurose added. "Future generations will pay the price for this staggering level of political irresponsibility.”
Noting that "70+ countries and one US state" have banned the chemical, the Michael J. Fox Foundation said that "this is a clear and critical message" to federal and state lawmakers that "the time to ban paraquat is now."
In a move cheered by advocates for public health and the environment, Vermont on Tuesday became the first US state to ban paraquat, a neurotoxic herbicide banned in over 70 countries but protected by the Trump administration despite being linked to Parkinson's disease.
Democratic Vermont Gov. Phil Scott signed H. 739, which bans the sale and use of paraquat, after the legislation was passed by the state Legislature with strong bipartisan support. The ban—which contains a provision allowing for limited use of the chemical on fruit orchards through the end of 2030—is set to take effect on November 1.
As Public Interest Research Group (PIRG) campaigner Liam Sacino recently noted, the US Environmental Protection Agency [EPA] acknowledges that "even a small amount" of paraquat "can be fatal, and there is no known antidote."
"The agency has also decided that due to health risks, it should never be used around home gardens, schools, recreational parks, golf courses, or playgrounds," Sacino added. "Regardless of these conclusions, the EPA still allows paraquat to be sprayed on farms, posing a potentially increased risk to those who work on the farms and live nearby."
The EPA paradoxically calls paraquat "an important tool for the control of weeds in many agricultural and non-agricultural settings," a stance promoted by the chemical industry, some of whose highly toxic products the pesticide-friendly Trump administration has designated as vital to US national security.
Ban advocates point to mounting evidence that paraquat exposure greatly increases the risk of developing Parkinson's disease, a neurodegenerative illness. One recent UCLA study found that the odds of developing Parkinson's could more than double for people living within 500 meters of paraquat application.
That study added to a body of research linking paraquat to Parkinson's that dates back to at least 2011, when National Institutes of Health researchers concluded that the brain disorder is “positively associated” with the herbicide. A 2013 paper published in the peer-reviewed journal Neurology found that exposure to paraquat roughly doubled the risk of developing Parkinson’s. In 2020, four of the world’s leading neurologists published a book citing paraquat as a cause of the ailment.
Parkinson's advocacy groups, including the Parkinson's Foundation and Michael J. Fox Foundation, hailed the Vermont ban.
The Michael J. Fox Foundation noted that "70+ countries and one US state have now banned paraquat."
"This is a clear and critical message to other states and our federal government: The time to ban paraquat is now," the group added.
Environmental groups also cheered the ban.
"We applaud Gov. Scott and the champions in the Legislature that made this moment possible that will protect all Vermonters, including farmers and children, from being exposed to this dangerous chemical,” Environmental Working Group legislative director Geoff Horsfield said in a statement.
“With Vermont leading the way, states across the country now have a clear path to end the use of one of the most toxic herbicides still on the market,” Horsfield added. “This is a turning point in the effort to protect public health from a chemical that has been tied to devastating neurological harm.”
Other states including California, New Jersey, New York, and Pennsylvania have either introduced bills to ban or strictly limit paraquat, or are considering doing so.
"We should not wait for federal action when we can act now to protect farmworkers and families," PIRG's Sacino said Tuesday.
"EPA owes it to Americans to put people’s health first—not give hidebound corporations more time to keep using outdated chemicals," said one critic.
In a reversal of his past position and what critics are calling yet another betrayal of his "Make America Healthy Again" campaign pledge, US President Donald Trump announced Thursday that his administration is loosening limits on so-called "super pollutant" hydrofluorocarbons used in air conditioners and refrigerators at the expense of the environment and climate.
Trump and Environmental Protection Agency Administrator Lee Zeldin spun the move as a measure that will "save American families and businesses more than $2.4 billion" by revising "costly overreaching restrictions" imposed during the Biden administration "limiting the type of refrigerants American businesses and families can use."
"Today, the Trump EPA is fulfilling President Trump’s promise to lower costs and is fixing every problem we can under the authority Congress gave us," Zeldin said. "Our actions allow businesses to choose the refrigeration systems that work best for them, saving them billions of dollars. This will be felt directly by American families in lower grocery prices.”
Grocery prices have continued to rise during Trump’s second term, driven by the administration's erratic trade wars and actual war on Iran. Critics of Thursday's move argue that it will do little to reduce consumer costs, while increasing pollution and health risks for American families.
“It’s nice that they are paying attention to affordability, but if they want to make a difference, it’s tariffs and the Iran War," Ryan Young, a senior economist at the Competitive Enterprise Institute, a libertarian think tank, told NOTUS, estimating that the move would save consumers about $2 per year.
Hydrofluorocarbons (HFCs) are called “super pollutants” because they trap far more heat in the atmosphere than carbon dioxide, even though they are emitted in much smaller quantities. They were originally introduced to replace ozone-depleting chemicals like chlorofluorocarbons (CFCs) that ravaged the ozone layer.
However, scientists soon realized that HFCs are extremely powerful greenhouse gases in their own right. As air conditioning use and demand grows worldwide, so has HFC use.
As the EPA's own website acknowledges on its "Operation: Disrupt HFCs" webpage:
HFCs are potent greenhouse gases... with high global warming potential. HFCs are commonly utilized as refrigerants, aerosol propellants, foam blowing agents, solvents, and fire retardants across residential, commercial, and industrial applications. The major source of HFC emissions is their use as refrigerants—for example, in air conditioning systems in both vehicles and buildings. Emissions occur during manufacturing, as well as through leaks, servicing, and disposal of equipment containing HFCs.
Former EPA Assistant Administrator Joseph Goffman said in a statement Thursday that "families are already stretched thin by high grocery bills and everyday expenses, and weakening safeguards on these super-polluting refrigerant chemicals isn’t going to change that."
"Even manufacturers are saying this delay likely won’t lower prices for consumers because supplies of these chemicals are already being phased down in favor of cleaner, innovative replacements," he added.
Stephen Yurek, president and CEO of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI)—an industry lobby—warned that the "reckless" new policy could actually cause refrigerant prices to increase.
“This rule works against basic supply and demand,” Yurek said. “By extending the compliance deadline, the EPA is maintaining and even increasing demand in the market for existing refrigerants while supply continues to fall under the AIM Act."
The American Innovation and Manufacturing (AIM) Act of 2020, bipartisan legislation signed by Trump during his first term, directed the EPA to "phase down the production and consumption of listed HFCs in the United States by 85% by 2036" and "facilitate the transition to next-generation technologies that do not rely on HFCs."
As of this year, more than 170 countries—including the United States—plus the European Union have ratified the Kigali Amendment to the Montreal Protocol, the main global agreement to phase down HFCs.
Yurek explained that "instead of falling, refrigerant prices are likely to rise, resulting in higher service costs, and higher costs for consumers."
Addressing the EPA's reversal on HFCs, Goffman said, "All this action does is slow the shift to cleaner technologies while risking continued releases of climate super pollutants and leaving families to face the much greater costs and health threats of dangerous climate change."
"EPA owes it to Americans to put people’s health first—not give hidebound corporations more time to keep using outdated chemicals," he added. "Americans deserve affordable groceries that don’t come at the expense of the strong safeguards they count on to keep our families safer, not sicker.”
The EPA move comes amid mounting calls by over 160 civil rights, environmental, faith, health, and labor groups to fire Zeldin over his agency's deregulation spree.
“The EPA has one job, to protect the health and welfare of the American people," said one critic. "But, yet again, the Trump EPA is choosing polluters over people.”
The US Environmental Protection Agency on Thursday proposed postponing enforcement of vehicle emissions standards enacted during the Biden administration, a move that critics warned will worsen air pollution, one of the leading risk factors for premature death in the United States and around the world.
EPA Administrator Lee Zeldin proposed delaying Biden-era emission standards for light- and medium-duty vehicles for two years until model year 2029, claiming that implementation of the policy meant to ensure that a majority of new light vehicles sold in 2032 were electric is "unattainable," and that Americans "overwhelmingly rejected" electric vehicles.
“Freedom is the foundation of this nation, and this includes the freedom to choose the car you drive. The American people have been very clear; they do not want EVs forced upon them,” said Zeldin, who took more than $400,000 in Big Oil campaign donations during his tenure in the New York state Legislature and US Congress, and who questions the scientific consensus on climate change.
Zeldin claimed the proposal "is projected to save over $1.7 billion" for US automakers, "providing hundreds of dollars saved per vehicle for American families," and "aims to return EPA regulations to reality, restoring consumer choice, protecting good paying American jobs, and strengthening the nation’s global competitiveness."
It will also kill people. More than 100,000 people die prematurely in the United States each year due to breathing polluted air. According to a 2024 Environmental Protection Network analysis, President Donald Trump’s rollbacks of pollution rules could cause the deaths of nearly 200,000 people in the United States by 2050.
“In its latest unconscionable act, Trump’s EPA looked at a rule intended to protect public health from toxic tailpipe pollutants while saving tens of thousands of lives, and decided it could wait," Public Citizen Climate Program deputy director Deanna Noël said Friday.
"The decision will not just cost lives; it will cost working-class people more money in medical bills, more missed days of work, and more years chained to volatile gas prices," Noël continued.
"Working families are already stretched thin. Everything from groceries to home insurance to gas is getting more expensive, with no end in sight," she added. "Delaying commonsense emissions standards will only make communities sicker and send costs higher. The EPA’s entire reason for existing is to protect public health and the environment. Yet under this administration, it has been weaponized to serve corporate interests over the American public, no matter the cost.”
According to the advocacy group Climate Power, fossil fuel industry interests spent more than $445 million during the 2024 election cycle on campaign donations, lobbying, and other efforts to bolster Trump and other Republican candidates and causes.
Responding to Zeldin's announcement, Natural Resources Defense Council clean vehicles director Kathy Harris said in a statement that “the EPA has one job, to protect the health and welfare of the American people. But, yet again, the Trump EPA is choosing polluters over people."
“Delaying these standards is going to mean more toxic pollutants spewing from tailpipes, and more soot and smog in our cities," she continued. "That means more asthma, more heart attacks, and more lung disease."
“EPA Administrator Lee Zeldin claims to want to provide clean air and clean water, but time after time he is acting to increase pollution," Harris added. "The Trump administration’s war on our health continues unabated.”
EPA’s vehicle rollback would leave children breathing more traffic pollution for years.Delaying Tier 4 standards means more smog, fine particles, and toxic emissions from vehicles that will stay on the road for decades.EPN’s response: www.environmentalprotectionnetwork.org/20260514_tie...
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— Environmental Protection Network (@enviroprotnet.bsky.social) May 14, 2026 at 4:45 PM
Zeldin's proposal is part of a wider Trump administration push to roll back Biden’s efforts to promote electric vehicles, and serves Trump's "drill, baby, drill" energy policy. Last year, Transportation Secretary Sean Duffy ordered the cancellation of Biden-era fuel efficiency and emissions standards for cars and light trucks
During Trump’s second term, the EPA has moved to repeal or replace stronger carbon emission limits on fossil-fueled power plants, revoked California’s ability to enact stricter vehicle emissions rules, and signaled plans to overturn the agency’s finding that greenhouse gases are a public health hazard.
The EPA has also revoked the long-standing “endangerment finding” that allowed it to pass climate regulation, stopped counting the monetary value of reducing pollution, weakened water and wetland protections, rolled back regulations limiting so-called “forever chemicals” in drinking water, dramatically cut or eliminated environmental justice programs, reduced enforcement of environmental violations, dismantled advisory and scientific panels, removed all mentions of human-caused climate change from its website, and more.
"If the agency is going to allow such chemicals to be freely sold at Home Depot, Walmart, and farm supply stores, the very least the EPA must do is require a clear cancer warning on the label," said one critic.
The US Environmental Protection Agency has repeatedly failed to warn consumers of the cancer risks posed by pesticides—even when its own research has found those products to be carcinogenic, a pair of green groups said Monday.
The Center for Food Safety studied the EPA's permitted risk level in active components of both currently approved and legacy pesticides. CFS researchers found that the EPA allowed pesticides with a cancer risk "as high as 1 in every 100 people exposed, a far greater level than the EPA’s benchmark of a 1-in-a-million chance of developing cancer."
"Of the 570 unique pesticide chemicals that EPA’s Office of Pesticide program has classified for carcinogenic potential since 1985, over one-third (200, or 35%) are either possible human carcinogens (127) or likely to be carcinogenic to humans (73)," the CFS report notes. "The status of 62 others (11%) is uncertain, because EPA lacks sufficient data to make a determination.
A second report, from the Center for Biological Diversity (CBD), shows that of the 200 pesticides that are possible or likely human carcinogens, 125 are still registered for use.
CBD analyzed the labels of every pesticide currently approved by the EPA and found that the agency has placed cancer warnings on just 69 of 4,919 pesticide labels (1.4%) "containing an active ingredient that the agency has designated a 'likely' human carcinogen." Additionally, the EPA has put cancer warnings on just 242 of the 22,147 pesticide labels (1.1%) that "contain an ingredient the agency has designated as a 'possible' human carcinogen."
CFS science director Bill Freeses said in a statement Monday: “It’s bad enough that the EPA approves cancer-causing pesticides. But if the agency is going to allow such chemicals to be freely sold at Home Depot, Walmart, and farm supply stores, the very least the EPA must do is require a clear cancer warning on the label. Warnings save lives by incentivizing users to wear protective equipment that reduces risk."
Lori Ann Burd, director of environmental health at the CBD, said on Monday that “it's dumbfounding that the EPA has failed to require any cancer warning on thousands of pesticide products sold to the public that the agency itself has linked to cancer."
“Why should anyone have confidence in the EPA’s ability to keep tabs on the pesticide industry and protect us all from harmful poisons when it won’t even compel companies to put long-term health warnings on pesticides it knows are really dangerous?" she added.
Last month, CFS, CBD, and others denounced the EPA's reapproval of the pesticide dicamba—which scientific studies have linked to increased risk of cancer and hypothyroidism in high-dose exposure—for certain cotton and soybean crops.
The new CFS and CBD analyses come ahead of next month's oral arguments in Monsanto Company v. John L. Durnell, a case before the US Supreme Court in which Bayer, the Germany-based pharma giant that bought Monsanto in 2018, is seeking substantial immunity from future lawsuits filed by people in the United States who used glyphosate-based products like Roundup weedkiller and were then diagnosed with rare pesticide-linked cancers. The company has paid out billions of dollars to settle such suits.
CBD and other advocacy groups have also warned that the industry-backed Farm Bill currently advancing in the Republican-controlled Congress weakens or delays pesticide safety regulation, preempts state-level cancer warning rules, and shields chemical companies from lawsuits.
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.”
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?”
"This shameful and dangerous action," said one expert, "is rooted in falsehoods, not facts, and is at complete odds with the public interest and the best available science."
Over a dozen young Americans as well as a coalition of environmental and public health groups on Wednesday filed a pair of legal challenges against President Donald Trump's administration for repealing the "endangerment finding" that enabled federal policies aimed at combating the fossil fuel-driven climate emergency.
Environmental Protection Agency Administrator Lee Zeldin announced the long-anticipated move last week. The coalition of groups responded with a petition at the US Court of Appeals for the District of Columbia Circuit that names him and the EPA.
"The endangerment finding has been the backbone of climate policy for 17 years, protecting us from air pollution that endangers public health and welfare—including greenhouse gases that are driving climate change," explained Lawrence Hafetz, legal director at Clean Air Council, one of the groups behind the case, in a statement.
"By repealing the finding, we are sweeping the single deadliest type of pollution, climate pollution, under the rug," Hafetz continued. "Deadly floods, droughts, wildfires, and hurricanes are harming our health, our communities, and our economy. This climate chaos plan is decimating the EPA's ability to act when we need protections more than ever."
Gretchen Goldman, president and CEO at the Union of Concerned Scientists, another plaintiff, argued that "EPA's repeal of the endangerment finding and safeguards to limit vehicle emissions marks a complete dereliction of the agency's mission to protect people’s health and its legal obligation under the Clean Air Act."
"This shameful and dangerous action by the Trump administration and EPA Administrator Zeldin is rooted in falsehoods, not facts, and is at complete odds with the public interest and the best available science," she noted. "Heat-trapping emissions and global average temperatures are rising—primarily due to the burning of fossil fuels—contributing to a mounting human and economic toll across the nation."
In the lead-up to the repeal, institutions worldwide concluded that 2025 was among the hottest years on record, a group of global experts declared that "current economic models systematically underestimate climate damage," and another international team of scientists warned in a review of climate tipping points that Earth is at risk of a hothouse trajectory.
Despite such findings, Trump has waged a sweeping war on the climate since he returned to office last year, thanks in part to campaign cash from the fossil fuel industry. In addition to repealing the 2009 endangerment finding—which the administration celebrated as the "single largest deregulatory action in US history"—he has declared a "national energy emergency" and ditched a long list of organizations and treaties, including the Paris Agreement.
Friends of the Earth legal director Hallie Templeton said Wednesday that "today's lawsuit makes clear that we will not idly stand by while EPA blatantly refutes its core mission to protect the environment and public health from dangerous pollution."
Templeton and David Pettit, an attorney at the Center for Biological Diversity’s Climate Law Institute, stressed that with the repeal, the Trump administration is unlawfully choosing big polluters at the expense of the public and the planet."
"We're suing to stop Trump from torching our kids' future in favor of a monster handout to oil companies," said Pettit. "Nobody but Big Oil profits from Trump trashing climate science and making cars and trucks guzzle and pollute more. Consumers will pay more to fill up, and our skies and oceans will fill up with more pollution. The EPA's rollbacks are based on political poppycock, not science or law, and the courts should see it that way."
Other organizations involved in the case include the American Public Health Association, American Lung Association, Center for Community Action and Environmental Justice, Environmental Defense Fund, Natural Resources Defense Council, Physicians for Social Responsibility, Public Citizen, Sierra Club, and more.
Also on Wednesday, 18 children and young adults from across the United States filed a separate petition at the same court challenging the EPA repeal. They are represented by Our Children's Trust and Public Justice, which have worked on various youth climate cases.
"My Catholic faith teaches me to care for all life and protect the most vulnerable, and it teaches that children are a gift," said lead petitioner Elena Venner. "I now struggle to imagine bringing a child into a world where the air is unsafe and the climate is increasingly unstable. The EPA's repeal of the endangerment finding violates my First Amendment right to practice my faith and my Fifth Amendment rights to life and liberty."
"I have asthma, and worsening pollution harms my health and makes it harder for me to breathe and live fully outdoors," Venner explained. "When the air is thick with the pollution of fossil fuel-burning cars and trucks and ever-increasing wildfire smoke, I feel it in my chest, and I am reminded that something as basic as breathing is no longer guaranteed. That is not the life today or the future my generation deserves."
"The only beneficiaries will be polluting industries, many of which are among President Trump’s largest donors,” the lawmakers wrote.
A group of 31 Democratic senators has launched an investigation into a new Trump administration policy that they say allows the Environmental Protection Agency to "disregard" the health impacts of air pollution when passing regulations.
Plans for the policy were first reported on last month by the New York Times, which revealed that the EPA was planning to stop tallying the financial value of health benefits caused by limiting fine particulate matter (PM2.5) and ozone when regulating polluting industries and instead focus exclusively on the costs these regulations pose to industry.
On December 11, the Times reported that the policy change was being justified based on the claim that the exact benefits of curbing these emissions were “uncertain."
"Historically, the EPA’s analytical practices often provided the public with false precision and confidence regarding the monetized impacts of fine particulate matter (PM2.5) and ozone," said an email written by an EPA supervisor to his employees on December 11. “To rectify this error, the EPA is no longer monetizing benefits from PM2.5 and ozone.”
The group of senators, led by Sen. Sheldon Whitehouse (D-RI), rebuked this idea in a letter sent Thursday to EPA Administrator Lee Zeldin.
"EPA’s new policy is irrational. Even where health benefits are 'uncertain,' what is certain is that they are not zero," they said. "It will lead to perverse outcomes in which EPA will reject actions that would impose relatively minor costs on polluting industries while resulting in massive benefits to public health—including in saved lives."
"It is contrary to Congress’s intent and directive as spelled out in the Clean Air Act. It is legally flawed," they continued. "The only beneficiaries will be polluting industries, many of which are among President [Donald] Trump’s largest donors."
Research published in 2023 in the journal Science found that between 1999 and 2020, PM2.5 pollution from coal-fired power plants killed roughly 460,000 people in the United States, making it more than twice as deadly as other kinds of fine particulate emissions.
While this is a staggering loss of life, the senators pointed out that the EPA has also been able to put a dollar value on the loss by noting quantifiable results of increased illness and death—heightened healthcare costs, missed school days, and lost labor productivity, among others.
Pointing to EPA estimates from 2024, they said that by disregarding human health effects, the agency risks costing Americans “between $22 and $46 billion in avoided morbidities and premature deaths in the year 2032."
Comparatively, they said, “the total compliance cost to industry, meanwhile, [would] be $590 million—between one and two one-hundredths of the estimated health benefit value."
They said the plan ran counter to the Clean Air Act's directive to “protect and enhance the quality of the Nation’s air resources so as to promote the public health and welfare,” and to statements made by Zeldin during his confirmation hearing, where he said "the end state of all the conversations that we might have, any regulations that might get passed, any laws that might get passed by Congress” is to “have the cleanest, healthiest air, [and] drinking water.”
The senators requested all documents related to the decision, including any information about cost-benefit modeling and communications with industry representatives.
"That EPA may no longer monetize health benefits when setting new clean air standards does not mean that those health benefits don’t exist," the senators said. "It just means that [EPA] will ignore them and reject safer standards, in favor of protecting corporate interests."