Advocates say federal protections under the Endangered Species Act for species like the monarch and hellbender are overdue.

As rural communities in Ohio become hotspots for new AI data centers, some communities are fighting them, to varying degrees ...

Safe drinking water is not a reality for many Americans. Residents of an Ohio town say their water tastes and smells bad, and ...

As rural communities in Ohio become hotspots for new AI data centers, some communities are fighting them, to varying degrees ...

Residents in Cadiz say the water looks, smells and tastes bad. Experts blame extreme weather, aging infrastructure and a lack of certified professionals.

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.

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

Pennsylvania agriculture officials are trying to stem a spike in bird flu cases among Pennsylvania poultry flocks. The state this week announced an effort with experts from Penn State Extension, the U ...

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