National (U.S.)

"The Environmental Protection Agency agreed Friday to update its standards on radon emissions from uranium mills."

The CDC rarely gets requests to investigate cancer clusters, and it is rarer still that the agency finds a cancer cluster exists, much less what caused it.

"The toxic leftovers from burning coal for power are sitting in nearly 600 sites in 35 states, according to a federal survey released Tuesday."

"While [Van] Jones was criticized as a left-wing zealot, the Obama team's record so far on the environment has been far from radical."

"Caves are home to some of the planet's most unusual creatures and important drinking water supplies. Now these underground resources are being polluted by surface activities, ranging from sewage spills to old factories. Experts call the problem 'extensive and serious.' Mammoth Cave National Park in Kentucky, Crevice Cave in Missouri and Whispering Canyon Cave in Alaska are examples. 'People need to be aware that there’s a subterranean ecosystem and that what happens on the surface impacts these unique ecosystems in a very real way,' said David Culver, a biologist at American University."