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 ...

A single, abandoned coal borehole in rural Queensland, Australia, was found to be a “super-emitter” of methane. On the surface, it looks like nothing more than a “patch of bare ground” in a cattle ...

When Emmanuel Siyabonga was a boy, he wasn't fussy about the type of job he wanted when he grew up. Other boys dreamed of being footballers, doctors, soldiers. All Siyabonga wanted, he says, was a job ...