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

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

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 ...

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 ...

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 ...

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 ...

Kathy Knauer has been the executive producer for The Allegheny Front since 1995. She is responsible for overseeing the news operations, developing collaborations with other news organizations and ...

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.

No one knows exactly when the roof of Control Room # 2 at U.S. Steel’s Clairton Coke Works started to leak. But leak it did, probably for “years,” in the words of one investigator hired by the ...

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 ...