Various environmental groups allege the Indiana Department of Environmental Management issued an inadequate air permit ...

A discussion of the Clean Air Act (CAA), its amendments, and significant caselaw pertaining to clean air regulation in the US ...

Louisiana Governor Jeff Landry signed into law late last month a bill defining “green energy” as “… any energy generated by ...

Elon Musk’s xAI gas turbines get official approval, even as civil rights groups prepare to sue over alleged Clean Air Act ...

The U.S. Supreme Court declined ExxonMobil's appeal regarding a $14.25 million penalty against the company for environmental ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the nation’s worst air quality. But officials face growing pushback about ...

Sulfur dioxide is a toxic gas linked to respiratory problems, especially in children and older adults. But the EPA concluded ...

The U.S. Environmental Protection Agency has approved Louisiana’s long-delayed air quality plan, concluding the state isn’t significantly contributing to sulfur dioxide pollution in other states, The ...