Members of Congress in Wyoming and Texas tout the bills as protecting energy security, but opponents say they amount to a ...

The House approved legislation Thursday to ease air pollution and permitting requirements, part of the Republicans’ quest to update the Clean Air Act. H.R. 6409, the “Foreign Emissions and ...

The sky turns a rusty orange. The sun dims behind a thick veil of smoke. For millions of Americans, even ones far from wildfire-prone lands, this eerie scene is no longer rare. Extreme wildfires have ...

AG William Tong joined a coalition of 12 attorneys general and local governments suing the EPA over its failure to enforce the 2024 Clean Air Act’s soot standards.

The Clean Air Act (CAA) is now 55 years old—and shows its age. That's not a critique of its legacy. The law, in conjunction with innovation and private investment in environmental improvement, has ...

The troubling reality is that nearly half of all kids (46% of people under the age of 18) are living in places with unhealthy ...

The lawyers who successfully won the law’s climate authority once thought of it as a placeholder for stronger legislation. Three presidents have used the Clean Air Act to curb planet-warming pollution ...

Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.

Colorado air pollution regulators are years late in issuing federally mandated permits for the JBS slaughterhouse in Greeley, according to a lawsuit filed against the state by an environmental group ...

The Los Angeles-Long Beach retained its dubious distinction as the nation’s smoggiest region, with ozone pollution getting worse over the past year, according to an annual report by the American Lung ...