The party-line vote marked the first time in the 55-year history of the Clean Air Act that Congress has moved to weaken the ...

If also passed by the House as expected, the action will be the first time Congress has weakened protections under the Clean ...

The legal clash between Greenidge Generation and New York’s Department of Environmental Conservation will continue with a ...

Lawmakers voted to stop the state from requiring that an increasing share of new trucks sold there have zero emissions.

Utah counties are struggling when it comes to clean air, according to a new report from the American Lung Association and ...

WASHINGTON, D. C. — Ohio’s Republican members of Congress are pushing legislation that would rescind the Biden administration ...

California has agreed to formally repeal much of its controversial Advanced Clean Fleets electric-truck mandate as part of a ...

Pollution muddied clear skies and sickened people across the country. The Clean Air Act helped change that. But the law's future is cloudy. The Nixon-era law is "under attack," said The American ...

Gov. Gavin Newsom issued a statement in response to the House vote that targeted California’s clean vehicles program, stating that the Republican-controlled House illegally used the ...

Colorado is now in severe violation of two federal ozone pollution standards, and it must find a way to reduce that pollution ...