US EditionPublic health, green groups sue EPA over repeal of rule supporting climate protections
Coalition argues EPA repeal of 2009 endangerment finding risks public health and climate protections, threatening decades of federal greenhouse gas regulations.
- On February 18, 2026, APHA and allies sued the EPA and Lee Zeldin in the U.S. Court of Appeals for the District of Columbia Circuit over the rescission of the 2009 endangerment finding.
- The 2009 endangerment finding determined six greenhouse gases harm public health and welfare and served as the legal underpinning for nearly all federal climate regulations under the Clean Air Act.
- EPA analysis found removing vehicle standards will increase gas prices and force Americans to spend more on fuel, while vehicle emissions accounted for 28 percent of U.S. emissions in 2022.
- Plaintiffs contend the EPA's rescission is unlawful and filed the D.C. Circuit challenge to block the action, while 18 children and young adults filed a separate petition, creating uncertainty for businesses.
- Environmental groups warn this rollback is the biggest attack on federal climate authority and say lawsuits could elevate the issue to the Supreme Court, recalling Massachusetts v. EPA .
157 Articles
157 Articles
Environmental groups sue EPA over endangerment finding repeal
The wave of legal opposition to the Trump administration’s latest climate regulation rollback is gaining momentum. A coalition of more than a dozen environmental and public health groups filed suit against the Environmental Protection Agency on Wednesday to challenge its scrapping last week of the “endangerment finding” that undergirds most US climate regulation. The EPA’s move “will have disastrous consequences for the American people, our heal…
St Louis Post-Dispatch
Groups sue EPA over repeal of air protection
WASHINGTON — A coalition of health and environmental groups sued the Environmental Protection Agency on Wednesday, challenging the rescinding of a scientific finding that was the central basis for U.S. action to fight climate change for years.
Environmental groups are suing the EPA for gutting a key climate rule. Cities and states vow to do the same.
California will challenge EPA’s “endangerment finding” repeal in court. The U.S. Conference of Mayors pledges to "fight for policy that addresses climate change with the seriousness that it requires."
Hawaii environmental leaders condemn EPA rollback
State and local environmental leaders strongly condemned President Donald Trump’s move on Thursday to rescind a scientific finding, the loss of which effectively deregulated greenhouse gas emissions under the Environmental Protection Agency — with the state Energy Office calling it “one of the largest environmental rollbacks in U.S. history.” Known as the endangerment finding, the rescinded rule was part of a 2009 government declaration that det…
EPA’s end to endangerment finding eases rules for carmakers
WASHINGTON — The EPA’s decision last week to repeal the 2009 endangerment finding establishing that greenhouse gas emissions are air pollutants harmful to public health will have immediate impacts on vehicle tailpipe emissions limits and start-stop technology incentives.
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