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 ...

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.

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 ...

Pennsylvania potato experts say potato chip prices are up because of inflation. But heat and poor growing conditions in the state are playing a role.

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