Canada's village of Cumberland has began using abandoned coal mines to supply clean geothermal heating and cooling for homes ...

SCRANTON, Pa. — Coal mining is synonymous with Pennsylvania's history. While it's not as big as it once was, abandoned sites still linger across the region. Inviting explorers and thrill seekers into ...

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 ...

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 ...

Converting abandoned or soon-to-close coal mines into solar farms could provide enough power to meet the demands of a country the size of Germany, according to a first-of-its-kind analysis.