Activists are worried about using technology that uses water to remove uranium from waste material at abandoned mines.

The former coal-mining town of Cumberland is becoming a powerful example of how abandoned fossil-fuel infrastructure can be ...

Editor: Where to put proposed data centers? Let’s put them in abandoned mines. On March 9, The Wall Street Journal published a letter from a former president of the American Institute of Mining, ...

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 ...

Cumberland, B.C. is reimagining its coal mining past as a clean energy opportunity. Water trapped in abandoned mine tunnels ...

Just beyond a fenced-off access road in fields of tall grass on public land in Pennsylvania’s northwest sits a natural gas well pad that sat idle for close to a decade. The old fracking site suddenly ...