A former coal-mining hub in Canada has been exploring an unexpected pathway to clean ...

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 ...

Globally, energy markets are transitioning away from coal and toward solar energy. In 2024, the world installed a record-breaking 599 GW of solar and has nearly 2 TW in development. Installed solar ...

Deep underground, a giant abandoned mine reveals walls coated in thick layers of soot and signs of long-forgotten activity. The scale of the space and the heavy black residue point to an intense ...