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

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

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 airport has its own microgrid, powered by natural gas and solar produced on-site. It was the first airport in the world to do so.

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

The company will mine metallurgical coal, but an environmental group worries the project will exacerbate mine drainage problems in the Laurel Highlands.

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

Through Pennsylvania Trout in the Classroom, teachers and students raise trout to learn about not only the life cycle, but also coldwater conservation.