The Environmental Protection Agency is eliminating a Clean Air Act finding from 2009 that is the basis for much of the ...

The EPA has repealed a key climate finding and changed how it weighs pollution's health impacts. Experts and patients say the shift could affect air quality and public health.

The Trump Environmental Protection Agency delivered a significant blow to longstanding US climate policy on Thursday, finalizing rules to revoke a 2009 scientific finding that human-caused climate ...

Have you ever watched someone you love suffer – or even lose their life – to lung disease? Whether it’s lung cancer, COPD or asthma – it is heartbreaking to watch a person you love struggle for ...

The president signaled his intention to repeal the pollution rules more than a year ago.

Chen said the EPA rescinding the endangerment finding is "very concerning" because "the scientific evidence has not become ...

Air pollution from oil and gas is causing 91,000 premature deaths and hundreds of thousands of health issues across the United States annually, with Black, Asian, Native American and Hispanic groups ...

EPA head Lee Zeldin said a landmark policy change would not affect "traditional air pollutants," but researchers are still ...

The president's reversal of a 2009 finding could mean automakers will have less pressure to address certain emissions.

A Stanford researcher replaced his own gas stove after monitoring pollution levels in his kitchen - and scientists say millions of Americans may face similar risks.

Tiny, invisible gases long thought to be irrelevant in cloud formation may actually play a major role in determining whether clouds form—and possibly whether it rains.