Wyo., on Wednesday introduced legislation to ensure fair and consistent air quality designations by clarifying that states ...

The U.S. Environmental Protection Agency issued a clarification letter Monday to manufacturers saying that the Clean Air Act ...

Attorney General Jay Jones announced Friday that Virginia will officially rejoin a lawsuit against the United States ...

New Hampshire faces non-compliance with the Clean Air Act as it terminates mandatory car inspections without EPA waiver, ...

The New Hampshire Attorney General's Office said Friday that the state's vehicle inspection program is suspended until ...

On Feb. 13, the NAACP filed a 60-day notice with the intent to sue xAI for use of alleged unpermitted turbines in Southaven.

Removing Obama’s ‘endangerment’ finding makes it harder to ban fossil-fuel energy.

Some countries have to choose between development and the environment. We don't.

President Donald Trump and EPA Administrator Lee Zeldin formally announced the rescission of the 2009 EPA Endangerment ...

Nearly 20 groups officially put the EPA on notice of their intent to pursue legal action unless EPA issues its overdue soot designations ...

The agency’s guidance is a direct response to the tractor maker’s request last summer on how manufacturers should interpret the law when it comes to repairs.

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