Multi-State Coalition Sues EPA Over Repeal of Power Plant Pollution Limits

The coalition’s petition was filed Oct. 1, and Wisconsin’s Department of Justice said power plants account for about one-quarter of U.S. carbon dioxide emissions.
Wisconsin DOJ cited a 2020 University of Wisconsin report finding that extreme heat kills more Wisconsin residents than other weather disasters combined, and a 2024 estimate that Wisconsin communities could face more than $16 billion in climate-adaptation costs.
The Illinois attorney general’s office said the EPA not only repealed limits for most coal- and gas-fired plants but also proposed eliminating power-plant emissions regulation entirely.
Washington’s attorney general’s office highlighted potential harm to local industries, including shellfish farming and forestry, and said risks are especially concerning for people with existing health conditions, limited healthcare access, or homes near pollution sources.
A coalition of 25 states, counties, and cities filed a legal challenge on October 1 asking the U.S. Court of Appeals to restore greenhouse gas pollution limits for coal- and gas-fired power plants. The Trump administration's EPA repealed the 2024 standards, but the coalition argues the agency acted unlawfully by ignoring health risks and economic costs of increased pollution Environmental Groups Coalition.
State officials warn the rollback threatens public health and could worsen heat waves, storms, flooding, and wildfire smoke. The coalition also notified the EPA of plans to sue over emissions from existing natural gas plants. The EPA defended its action by citing potential savings in compliance costs EPA Statement.
Coal- and gas-fired power plants produce roughly 25% of all U.S. carbon dioxide emissions, according to Wisconsin's Department of Justice. This makes them a major driver of greenhouse gas pollution. The rollback removes federal limits that were designed to reduce these emissions and slow climate change Wisconsin DOJ.
Wisconsin cited a 2020 University of Wisconsin report showing that extreme heat kills more state residents than any other weather disaster. A 2024 estimate found Wisconsin communities face over $16 billion in climate-adaptation costs as temperatures rise Wisconsin DOJ Report. Removing pollution limits could accelerate these trends and drive up public health emergencies.
Illinois's attorney general warned that the EPA not only repealed limits for most coal- and gas-fired plants—it also proposed eliminating power-plant emissions regulation entirely. This goes beyond rolling back 2024 standards. A complete removal of oversight could allow unchecked pollution growth from the nation's largest stationary pollution source Illinois Attorney General.
Washington's attorney general highlighted harm to local industries like shellfish farming and forestry, which depend on clean air and water. The rollback poses especially serious risks for people with existing health conditions, limited healthcare access, or homes near pollution sources. Low-income neighborhoods often sit closest to power plants and refineries Washington Attorney General.
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