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 ...

The Clean Air Act’s outdated framework is hindering progress. New bills aim to modernize it with reforms aligned to today’s economic, environmental, and scientific realities. The Clean Air Act (CAA) ...

In the 1960s, the urban air pollution crisis in America had reached a fever pitch: Cities were shrouded in smog, union steelworkers were demanding protections for their health, and the Department of ...

During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across the country. The Clean Air Act helped change that. But the law's future is ...

David Good, program manager for air monitoring for the Allegheny County Health Department, says the department relies on lab-grade instruments to measure air quality. “We have to have very highly ...

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 ...

Industry actors, Congress, and the EPA are teaming up to potentially make our air less breathable. Such was life in the United States before Congress passed the Clean Air Act (CAA) in 1970. Fifty-five ...

Among the many obstacles to enacting federal limits on climate pollution, none has been more daunting than the Supreme Court. That is where the Obama administration’s efforts to regulate power plant ...

EPA on Monday laid out a way for companies to avoid air pollution regulations for up to several years: Just send the agency a request via email. The agency posted guidance online that lays out a path ...

Members of Congress from Texas and Wyoming introduced bills recently that would grant fossil fuel companies sweeping legal immunity and shield energy producers from stricter compliance with the Clean ...

In an unprecedented move, the administration has granted industrial facilities in 38 states and Puerto Rico a two-year reprieve from federal rules under the Clean Air Act. The president is considering ...

The US Environmental Protection Agency has proposed to remove air emission regulations from plastic pyrolysis plants, also known as chemical or advanced recycling facilities, that break down plastic ...