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

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

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

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

Our investigation reveals the lack of oversight of drilling waste moving through Ohio landfills, potentially putting waterways at risk.

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

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 ...

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

On a remote island in Lake Michigan, old apple trees could have very rare, never-before-discovered genes that could help fight off future threats.