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

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.

Even though the region’s air has started to come into compliance with federal clean air standards, it still ranks among the ...

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 ...

Council members in an Ohio town were concerned when a company planned to store fracking wastewater deep underground near their source of drinking water. The industry says stopping the operation would ...

In January, the federal Environmental Protection Agency announced a big change. In a new rule regulating power plant turbines run on fossil fuels, the agency said it would no longer consider the ...

Pennsylvania Gov. Josh Shapiro said the state should play a leading role in the development of AI and data centers but proposed a list of requirements to get through what he described as a “selective” ...

On a balmy evening last September, Michael Fowler stumbled out to the south rail line in East Palestine, Ohio, and sat down in the middle of the tracks. His dog, a white Chihuahua, was beside him. The ...

A new symptom tracker for East Palestine residents is helping researchers document health changes stemming from the Norfolk Southern train derailment three years ago. Residents have long complained ...