Pennsylvania has historically taken a “backseat” to addressing concerns about the Chesapeake Bay, but Gov. Shapiro said those ...

Drilling for oil and gas creates waste that can contain heavy metals and radioactivity, and much of it is sent to the same ...

Researchers that found that Pennsylvania counties with more farmland and herbicide use also have more melanoma, and not just among farmers.

U.S. Steel has agreed to pay a fine and prevent oil from one of its plants from discharging into the Monongahela River near ...

A study looked at phosphorus levels in Pittsburgh streams before and after drinking water was treated with a chemical to ...

The oil and tar pollution dates back to when the site was a refinery owned by Standard Oil and Atlantic Refining from 1868 to ...

After five additional hours of expert testimony and public comment, the Springdale Borough Council could vote on a massive ...

U.S. Steel applauds the move while environmental groups say it puts the health of communities near coke plants at risk.

An County borough plans to vote next month on a plan to build a massive data center on the site of a former power plant. The ...