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

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

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 ...

U.S. Steel has applied for two-year exemptions from hazardous air pollutant rules for integrated iron and steel, coke and ...

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

A study published by researchers at the University at Albany has presented the first documented evidence that Adirondack ...

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

The Senate on Thursday approved an effort to overturn an Environmental Protection Agency rule tied to the Clean Air Act and designed to limit seven of the most hazardous air pollutants that are ...

Republicans say the U.S. Environmental Protection Agency was wrong to reinstate the state's air pollution lawsuit policy ...

American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

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 ...