Law firms representing the NAACP sent xAI a notice of intent to sue over alleged Clean Air Act violations in Mississippi.

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

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 ...

They already face the highest rates of asthma-related mortality in the nation. Dirtier air will make that worse.

The senators described the new policy as "irrational" and said it will lead to the EPA rejecting actions that would impose "relatively minor costs" on polluting industries that could result in ...

The House Transportation and Infrastructure Committee will vote on legislation this week to help communities address water ...

A new study out in the journal Science Advances finds that chronic exposure to wildfire smoke has contributed to tens of thousands of deaths each year in the United States.

DarkSky International and the American Astronomical Society are urging people to tell the FCC to reject SpaceX's ambitious orbital data center plan.

The measure would reauthorize EPA’s nonpoint source pollution grant program at $200 million annually through fiscal 2031.

Lead pollution compared to 100 years ago in the US has dramatically declined by 100-fold. BLL levels of 15 plummeted to just 0.6 in 2020.

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...