States Sue EPA Over Endangerment Finding Repeal: States of Play

March 19, 2026, 6:36 PM UTC
New York Attorney General Letitia James
New York Attorney General Letitia James
Photographer: Christian Monterrosa/Bloomberg

More three dozen states and localities sued the Trump administration, arguing its repeal of the endangerment finding goes against the government’s mandate under the Clean Air Act and accusing the administration of rehashing settled Supreme Court arguments, Allison Prang reports.

  • New York Attorney General Letitia James (D) co-led the petition alongside attorneys general representing California, Massachusetts, and Connecticut, according to a press release from James’ office.
  • The lawsuit, like the other legal challenges over the finding’s repeal, was also filed in the US Court of Appeals for the District of Columbia Circuit. More than 20 states are among the petitioners, ...

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