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

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

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

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

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

Older adults who live in southcentral Pennsylvania have higher rates of melanoma skin cancer, according to a study by Penn State researchers that found that counties with more farmland and herbicide ...

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

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 ...