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.

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

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

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 ...

In January, the EPA announced the economic value of human health benefits will no longer be a factor in air pollution regulations for soot and smog.

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 ...

As home gardeners are cleaning up their spring flower beds and vegetable patches, they might notice signs of a relatively new invasive species that’s made its way across Pennsylvania. Though Asian ...

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 ...

This is part of a series tracking waste from the fracking industry and a series about the Monongahela River. On a rainy morning, Mike Frederick showed off the Belle Vernon Municipal Authority’s sewage ...

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 ...