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

This shift toward renewable storage in abandoned mines ... of repurposing mine shafts for gravity batteries is their depth. Many are already a kilometer or more deep, eliminating the need to ...

This approach not only gives these disused mines a second life but also offers economic and environmental benefits to communities once reliant on coal. Hundreds of thousands of abandoned mines ...

While driving on Dundee Road in Hanover Township on Friday, something caught my eye in the Askam Borehole Acid Mine Drainage Treatment System.