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 ...

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 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 ...

Lisa Heinzerling discusses recent developments in environmental law and regulation. In a conversation with The Regulatory ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Environmental Protection Agency issued guidance that the Clean Air Act does not interfere with farmers' right to repair ...

For more than five decades, the Clean Air Act has prevented millions of premature deaths, hospitalizations, and lost work and school days. By one official reckoning in 2011, the act’s limits on ...

Energy and Commerce advanced seven bills along party lines, in a major step toward reshaping the bedrock environmental law. Republicans on the House Energy and Commerce Committee muscled through a far ...

Buried in a proposal on natural disaster recovery is a bid to free pyrolysis plants from federal emission rules ...

xAI continues to face backlash over its Memphis data center, as the NAACP joined groups today appealing the issuance of a recently granted permit that the groups say will allow xAI to introduce major ...

DES MOINES, Iowa (Iowa Capital Dispatch) - The U.S. Environmental Protection Agency issued a clarification letter Monday to manufacturers saying that the Clean Air Act does not prohibit independent ...