Greg Beard’s company burned waste coal and tires to power its mining operations and was knocked for environmental violations in Pennsylvania.

Deaths from black lung — a chronic condition caused by inhaling coal dust — had been in decline since the introduction of federal regulations over a half-century ago.

Dezeen School Shows: a project that envisions a future in which society is fully reliant on AI is among the architecture ...

The status of one of the world’s most important copper mines remains clouded in uncertainty, more than a week after seismic ...