An underground coal mine fire in unincorporated Boulder County has been made safer for the surrounding area thanks to significant mitigation work by state officials.

The state plans to start mitigation work this fall on the underground coal mine fire at the Lewis site, located northeast of the intersection of Marshall and Cherryvale roads in Boulder County.

The Centralia fire is a coal mine fire that has been burning in Pennsylvania since 1962. Learn the story of the fire, what caused it, and environmental concerns.

He spent almost four decades working at the mine, commuting 90 minutes underground every day to extract coal. “There’s plenty of coal left as long as we import them from abroad,” he says.

In late September, an underground coal mine just outside the town of East Carbon in rural Utah caught fire. More than two months later, it’s still burning.

Global mining giant Anglo American has halted operations at its Grosvenor steelmaking coal mine in Queensland after an underground coal gas ignition over the weekend, prompting the evacuation of ...