A disused coal mine in Wollongong will be the first test site for a renewable energy company that lowers weights down old ...

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 ...

INDIANAPOLIS — Officials say Indiana is getting about $8.1 million in federal funding to help clean up and repurpose abandoned coal mines. The funding from the Office of Surface Mining Reclamation and ...

President Donald Trump came into office promising to reverse the long decline of coal. Now he’s taking action with a plan to ...

Nanaimo’s buried past has surfaced once again, this time as a sink hole that has forced the closure of Westwood Road to ...

A smaller version of a previously rejected coal mine project in Alberta is back on the table amid concerns about the ...