Air quality in the Pittsburgh region is the 16th worst in the country, according to a new study. The American Lung ...

The cement industry has set ambitious goals to cut its carbon footprint. But as federal funding dries up, its path to a ...

"I really just wanted to share that with other children [who] are on the spectrum because a lot of times, these kids get left ...

Plants Out of Place” exhibit at Carnegie Museum of Natural History in Pittsburgh examines the complexities of invasive plants ...

The exemptions were supported by the grid operator for the mid-Atlantic region, which is bracing for an oncoming rush of ...

DEP monitors and treats 48 rivers and streams spanning more than 1,800 miles for black flies, also knows as gnats.

Parts of the Delaware River have low dissolved oxygen levels caused by ammonia discharges from wastewater facilities.

IRG cites Trump tariffs and the hold-up of a federal loan guarantee as reasons for canceling plans for a plastics recycling plant in Erie.

President Donald Trump signed four executive orders on Tuesday to reinvigorate the country’s coal mining industry.

Writer, photographer Tim Palmer returns to a subject he knows well in his new book, "Watching the River Run: A Photographic ...

Scientists, engineers and researchers are warning of long-term damage from the Trump administration's decimation of ...

A Department of Energy document obtained by POLITICO indicates funding for the MACH2 hydrogen hub in the Philly region could ...