When a black bear woke up from hibernation in the middle of winter and attacked three people and a dog, researchers were left ...

A bill before Congress seeks to make changes to the Endangered Species Act that environmentalists say would weaken its ...

The surge in renewable energy is driven by solar, which now generates nearly 14% of the energy on the regional grid that ...

A widespread power outage rippled through Spain, Portugal and parts of France on Monday. Trains stopped in their tracks, ...

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

Federal grants for climate-friendly farming and crops like flax have been canceled across the country. Pennsylvania is being ...

Thrifting proponents hope more people will turn to sustainable fashion as the trade war between the U.S. and China strains ...

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 ...

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

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

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