Tag: colorado climate change

Squeezing Cleaner Energy from Coal’s Waste

Coal mine methane could soon transform from problematic waste to valuable fuel Smithsonian In a Colorado valley where miners have harvested coal for more than a century, a second fuel—methane—escapes from the thick black seams of the Elk Creek mine. A system of boreholes and pipes around the mine funnels methane-rich gas to a modified […]