The order will force data center developers to abide by several rules, including a requirement to obtain a stamp of approval from local officials.

The Pennsylvania Department of Environmental Protection will examine whether a coal mine in Westmoreland County should be allowed to expand into an 11,000 acre-area at the headwaters of two local ...

The Three Rivers Waterkeeper is collecting samples from Synthomer, a chemical plant, in its effort to understand water pollution in the Mon.

“U.S. Steel did not take actions that could have prevented or reduced the severity of the (explosion),” the safety board wrote. “U.S. Steel operated its … unit while routinely occupied non-blast ...

The Pennsylvania Department of Environmental Protection will conduct an expansive technical review of the Rustic Ridge coal mine, studying impacts to drinking water, wildlife, and tourism.

It has been updated to reflect the current status of the West Elizebeth Sanitary Authority permit renewal request. While air pollution in the Mon Valley has been the focus of environmental concerns ...

The Three Rivers Waterkeeper is collecting samples from Synthomer, a chemical plant, in its effort to understand water pollution in the Mon.

Carol Parenzan founded the Middle Susquehanna Riverkeeper Association and is now turning her attention to a new way to connect people with rivers, as The Water Healer.

This story was originally published on April 10, 2026. Carol Parenzan has had a long career in water. She’s an environmental engineer and an author, including children’s books. She founded the Middle ...

The Trump administration is drastically cutting the budget, and reorganizing the U.S. Forest Service, moving its headquarters and research facilities to western states. In Pennsylvania, four research ...

The Monongahela River is a 130-mile waterway that begins in the mountains of West Virginia and ends in Pittsburgh, where its waters flow into the Ohio River. Over the course of that journey, the river ...

A team of researchers at the University of Pittsburgh found children living near shale gas activities in Southwest Pennsylvania had a higher risk of developing lymphoma. But the group found no ...