Abandoned coal mines could be significant sources of greenhouse gases, releasing carbon dioxide into the atmosphere. Recent ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That's what searchers in ...

UNITY TOWNSHIP, Pa. — The team looking for a missing Pennsylvania woman believed to have fallen into a sinkhole has determined that an abandoned coal mine is too unstable for people to safely search ...

From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...

HARRISBURG – The Pennsylvania Department of Environmental Protection (DEP) has awarded $19,640,380 for the environmental restoration of eight abandoned mine lands (AML) projects as part of the ...

Kenny Pollard, 75, holds a photo in his home from a vacation that he and his wife, Elizabeth, took to Clearwater Beach, Fla., approximately 10 years ago. Law enforcement members watch as rescue ...

UNITY TOWNSHIP, Pa. (KDKA) — The body of Elizabeth Pollard, the missing 64-year-old woman who fell through a sinkhole while looking for her cat in Unity Township, Pennsylvania, has been found, ...

Rescue workers continue to search on Wednesday for Elizabeth Pollard, who is believed to have disappeared in a sinkhole while looking for her cat, in Marguerite. The top of a sinkhole in the village ...