How to hasten the demise of the already-depleted coral reef? Let coal companies dredge five major new port, build them a rail line, and offer them free water.
Stanford and other universities are divesting from fossil fuel stocks—with varying degrees of commitment.
As renewables get cheaper and climate risks grow, Wall Street sours on the coal industry.
"A tiny sliver of environmental extremists," illustrated.
Colorado activists celebrate first-of-their-kind statewide fracking rules.
Meet Brad Bradley, conservative conservationist, renovator of abused land and Sierra Club Life Member.
A Kentucky cave's ties to the Underground Railroad have helped save it from becoming a coal-ash dumping site -- at least so far.