For the past 250 years, people have mined coal industrially in Pennsylvania, U.S.. By 1830, the city of Pittsburgh was using more than 400 tons of the fossil fuel every day. Burning all that coal has ...

When coal mines shut down, most people assume their climate impact ends. But the opposite may be true — acidic water leaking from abandoned coal mines continues releasing carbon dioxide (CO2) into the ...

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 ...

An Indiana County project is getting a half-million-dollar share of $5,222,250 in federal funds being awarded through the Pennsylvania Department of Environmental Protection for the restoration of ...

Sen. Dave Argall (R-29) and Rep. Tim Twardzik (R-123) visited the site of an ongoing abandoned mine land reclamation project ...