For more than five decades, the Clean Air Act has prevented millions of premature deaths, hospitalizations, and lost work and ...

Semitruck-sized power generators that data centers use must comply with Clean Air Act standards, officials ruled on Thursday.

The Clean Air Act has saved millions of lives, but the EPA will stop calculating those benefits for at least some proposed ...

In government records that have flown under the radar, the EPA is questioning its legal authority to revise pollution rules ...

Environmental advocates are challenging the legality of the state’s decision to roll back tools Ohioans have used for decades ...

The U.S. Environmental Protection Agency on Friday rejected Colorado’s latest air-quality plan aimed at improving visibility ...

On January 2, 2026, the D.C. Circuit declined to rehear en banc its prior order restoring the Clean Air Act’s (CAA) Title V affirmative defense ...

Two former EPA administrators are appalled by the current administration's plan to repeal the 2009 determination.

The agency is close to finalizing its rollback of the endangerment finding. Legal experts say its success could hinge on ...

Four of Michigan’s Democratic representatives joined with Republicans from New York, Pennsylvania and Virginia on Tuesday in ...

Democrat Party leader and prime ministerial candidate Abhisit Vejjajiva took his campaign to Lumpini Park on Wednesday, pledging stronger legal frameworks and incentives to address Bangkok's worsening ...

The agency has long tried to curb carbon emissions and protect human health. Critics say that under Trump it is giving up on ...