How last year's fatal blast at the Clairton Coke Works has impacted the community there. A new study shows how many deaths ...

Six months after two deaths at the massive Clairton Coke Works, U.S. Steel’s new owner inherits the plant’s safety challenges and pollution violations. Nippon’s plans haven’t yet been released.

High levels of toxic 'forever chemicals' in the airport’s stormwater are being discharged into tributaries of Montour Run, a ...

The rule for mercury emissions from coal-fired power plants will be rolled back to a 2012 standard. Mercury is a neurotoxin.

The 2026 Pennsylvania River of the Year is the Conestoga River, in the southeastern part of the state. Its headwaters are in Berks County, and the river flows more than 61 miles, meeting the ...

President Trump announced Thurday that his administration would rescind the legal underpinning of the nation’s climate rules. From the White House, the President called it the largest deregulatory ...

Don Hopey and David Templeton covered environmental news for the Pittsburgh Post-Gazette before retiring. When reporters stop covering the environment, "the public is not hearing the information it ...

Volunteers are asking for help to restore Glen White, an abandoned coal mining town near the Horseshoe Curve, and turn it into a historical attraction.

A new rule finalized by the EPA last month will require U.S. Steel and other companies around the country to set up fenceline monitoring for air pollution around its coke plants.The rule means that ...

Twenty miles northeast of Pittsburgh, in Russellton, Pennsylvania, is a waste coal pile, although “pile” isn’t really accurate. It’s actually huge mountains of black rock stacked as tall as houses ...

Gov. Josh Shapiro went to Washington County to announce a voluntary agreement the state was signing with CNX, the Canonsburg-based natural gas driller. He also signaled he’d push his Department of ...