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 ...
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 ...
The industrial foundations of Cumberland run deep. ACET researchers are determining how these now-abandoned coal mines under the village could generate geothermal energy to heat and cool buildings.
Interesting Engineering on MSN
Canadian village turns abandoned coal mines into cheap geothermal heat source
A former coal-mining hub in Canada has been exploring an unexpected pathway to clean ...
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