Pennsylvania Governor Josh Shapiro signed into law on Thursday a measure that prohibits the use of chemicals known as PFAS in firefighting foam, which is used to suppress fires. The language was ...

The head of the Environmental Protection Agency plans to loosen rules for methane leaks at oil and gas wells. How Pennsylvania and other states are drafting their own methane regulations. U.S. Steel ...

Data centers compete with regular customers for energy, but the Federal Energy Regulatory Commission has rejected a proposal that would have shielded them. PJM is the largest grid operator in the ...

Residents who live near the Edgar Thomson Plant in Braddock expressed their frustration at a U.S. Steel project to build a hot strip mill at the plant. A public environmental justice meeting over the ...

A new study shows that rates for black lung disease in Appalachia are surging. At the same time, the Trump administration is putting regulations that could reduce miners’ exposure to the dust ...

The Environmental Protection Agency is repealing rules that curb greenhouse gas emissions from power plants. The action, announced Monday at the G20 “Energy Abundance Ministerial” in Houston, ...

The Pennsylvania Department of Environmental Protection has fined Shell $15 million for air quality violations at its Monaca, Pa. plastics plant. The agency says between 2023 and August 2026, Shell’s ...

Jessi Halligan stares at a laptop screen on the deck of a 50-foot vessel, a few miles from the Canadian border in the middle of Lake Erie. On screen is a stack of squiggly colored lines that are ...

PFAS chemicals are in the water supply, including our drinking water. One way they are getting there: sewage sludge that is used as fertilizer. Pennsylvania and other states are looking to limit ...

In Pittsburgh’s South Side Flats, neighbors call Mike Clark “the Lorax.” The nickname fits. Clark, vice president of the South Side Community Council, has helped plant more than 400 trees in one of ...

A new invasive plant has been found in a western Pennsylvania nature reserve that could alter the forests of the Laurel Highlands and beyond if it takes hold. Land managers and invasive species ...