A once pristine stream In the Laurel Highlands is now contaminated with lead. The culprit? A nearby shooting range, owned by ...

Analysts say Canonsburg-based EQT’s plan to become the country’s largest gas producer likely won’t face regulatory hurdles, and may not have an impact on gas prices. After merging with Texas-based ...

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 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, ...

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 ...

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 ...

Concerns about data center construction and energy use are being raised all over the Commonwealth. About 80 new data center projects have been proposed in the state. The Pennsylvania Capital-Star’s ...

This story comes from our partner, 90.5 WESA. A bill introduced Tuesday in the U.S. House by Pittsburgh-area Rep. Summer Lee aims to boost federal benefits for coal miners disabled by black lung ...

From the shore of the Monongahela River at the Donora River Terminal, site manager John Ross points to several barges, resting on the edge of the riverbank. “They’re on about a 30-degree angle,” he ...