EPA will not delay rules that will require U.S. Steel's Clairton coke plant to monitor for benzene, a known carcinogen, at the plant's fence line.

The Westmoreland Sanitary Landfill accepts fracking waste. Some fear fracking contaminants like radium could end up in the ...

John Detisch started an online mapping project of the Monongahela River to advocate for its health and future.

A state-backed landslide and sinkhole insurance program sponsored by two Allegheny County lawmakers is closer to becoming a ...

Sacoby Wilson, Ph.D., is one of the recipients of the 2025 Heinz Awards for his work in environmental justice.

The Monongahela River began to recover in the early '70s, but still bears the marks of coal mining and other heavy industries ...

Drilling for shale gas creates tons of potentially toxic solid waste. Much of it now goes to landfills, making it harder to ...

Wastewater from 83 municipalities flows from a flush to ALCOSAN for treatment. But as little as one-tenth of an inch of rain ...

The federal board investigating the fatal August explosion at the Clairton Coke Works says the incident happened when a crew did maintenance on a cracked gas valve. In a preliminary update, the U.S.

As soon as next week, the Garden will use fire to help control an invasive plant in its beloved dogwood meadow. Prescribed fires also help create habitat for wildlife.

Tom Riese is WESA's reporter based in Harrisburg, covering western Pennsylvania lawmakers at the Capitol. Tom can be reached ...

This week on The Allegheny Front, our series about the Monongahela River continues, as we look back at its industrial heyday ...