A study compared the impact of climate on 11 streams in southwestern Pennsylvania when it comes to brook trout populations.

Pennsylvanians selling their property would be required to disclose whether it is in a flood zone under the bill.

The Monongahela River is still an industrial river. That doesn’t stop people from using it for recreation, like open swimming ...

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

They’ve dubbed themselves the Mon’ster Swimmers, and they brave the waters of the Monongahela River in Pittsburgh together from spring until fall.

For our series, Reporting From the Mon, we're talking to people with different perspectives on the Monongahela River. Annie Quinn is the founder of the Mon Water Project.

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 report from the University of Pittsburgh looks at rail accidents between 1998 and 2024 in the Ohio River Basin.