The February 2026 repeal removes obligations for manufacturers to measure and report greenhouse gas emissions. Lawsuits have already been filed.

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 ...

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 ...

Judge McCafferty refuses to stay her unconstitutional injunction, and it appears the state AG's office is still failing to raise its strongest constitutional defense.

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 ...

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 ...

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 ...

When Congress passed the Clean Air Act in 1970, climate change wasn’t on anyone’s mind. Yet under an Obama-era decision known as the “Endangerment Finding,” the Environmental Protection Agency has ...

The Clean Air Act’s outdated framework is hindering progress.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) ...

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 ...

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 ...