Reasons to be Cheerful explains how "gravity batteries" are giving former mines a second life—while offering an economic and ...

Revitalizing old coal mines for energy storage can offer coal ... social legacy,” says Christopher McDermott, a professor at Scotland’s Edinburgh University’s School of Geosciences.

After nearly four decades working in underground coal mines, Carter was diagnosed with black lung, a deadly and incurable disease caused by inhaling coal dust over a long period. Now, the 70-year ...