Story perspectives

24 States Sue Trump Over EPA Climate Policy Reversal

3/20/2026

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Summary

Story summary

A coalition of 24 states and several cities filed a lawsuit against U.S. President Donald Trump challenging the Environmental Protection Agency (EPA) revocation of 2009 endangerment finding.
Massachusetts Attorney General Maura Healey, California Attorney General Rob Bonta, New York Attorney General Letitia James, and Connecticut Attorney General William Tong lead.
The suit argues the repeal violates the Clean Air Act and could reach the Supreme Court, underscoring a climate-policy split.

History

Historical Context

The Clean Air Act of 1970 established federal air quality standards and empowered the EPA to regulate pollutants, responding to severe air pollution crises like the 1966 New York City smog. Today, a coalition of 24 states, including Massachusetts and California, is challenging the Trump administration's rollback of key regulations, underscoring ongoing conflicts in U.S. climate policy and the potential for Supreme Court involvement.

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Story summary

A coalition of 24 states and several cities filed a lawsuit against U.S. President Donald Trump challenging the Environmental Protection Agency (EPA) revocation of 2009 endangerment finding.
Massachusetts Attorney General Maura Healey, California Attorney General Rob Bonta, New York Attorney General Letitia James, and Connecticut Attorney General William Tong lead.
The suit argues the repeal violates the Clean Air Act and could reach the Supreme Court, underscoring a climate-policy split.

1 / 2