Pollution from the Pittsburgh airport has found its way into a nearby stream. Scientists are looking into how PFAS forever chemicals got there and what happens next. The U.S. Environmental Protection ...

This week, a special show of award-winning and recognized stories. What advocates and residents who live near U.S. Steel plants are saying about the Trump administration's policies on the pollution ...

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 ...

A new report finds Pennsylvania’s use of solar energy is on the rise, but the state still falls behind most of the country in adding more renewable energy on the grid. The environmental group ...

A study by the Pennsylvania Department of Environmental Protection found the liquid runoff from Pennsylvania landfills that take solid oil and gas waste poses no “significant” threat to the public ...

A new study finds air pollution in the Pittsburgh region was responsible for up to 3,500 deaths in 2019. The study found that even air quality considered “safe” by regulators led to premature deaths.

Hannah Hohman and Koa Reitz stood on an old bridge on a sunny afternoon, looking down at the confluence of two streams. Hohman glanced back and forth between the iced ...

Meta says it has reached a deal to purchase power from the Beaver Valley nuclear plant in western Pennsylvania and two others in Ohio, as part of its efforts to power its artificial intelligence ...

The Trump administration has reversed course again on a new air pollution rule for coke ovens. The White House is granting two-year waivers to coke oven plants for the rule issued under the Biden ...

This is part of a series tracking waste from the fracking industry and a series about the Monongahela River. On a rainy morning, Mike Frederick showed off the Belle Vernon Municipal Authority’s sewage ...

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 ...

The Shenango coke works on Neville Island, just west of Pittsburgh on the Ohio River, closed down in 2016. Coke is a refined form of coal used in steelmaking, made by baking coal at very high ...