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 ...

To judge by recent Supreme Court decisions, the world didn’t know much about climate change a half century ago. In 2007, when the court ruled that the Clean Air Act of 1970 gave the Environmental ...

On Wednesday, the Supreme Court will hear arguments on postponing the EPA’s "Good Neighbor” rule, a policy designed to address interstate pollution. The Clean Air Act requires that states that produce ...

Trump wants to roll back environmental protections at least to where they stood prior to the 1970 Clean Air Act. (Courtesy of the National Wildlife Federation) In March, Environmental Protection ...

Thanks to the Clean Air Act and its strong regulatory framework, we’ve made remarkable progress in improving air quality for all Georgians.” — Michael Odom, Georgia Environmental Protection Division ...

A discussion of the Clean Air Act (CAA), its amendments, and significant caselaw pertaining to clean air regulation in the US. The second Trump administration is taking steps to roll back various ...

A study published by researchers at the University at Albany has presented the first documented evidence that Adirondack surface waters have made a near full recovery from metal pollution since the ...

The US Clean Air Act (CAA) has improved air quality, but not equally for all people. According to a new study, while pollutant emissions have decreased over time, how much they have fallen in a given ...

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 ...