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

"By certifying species as endangered, government programs can backfire."

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."

"Half of all the fish eaten in the world now is raised on fish farms rather than caught in the wild, according to new research by an international team of scientists."

"Citing 'clear evidence' of likely environmental damage, the Obama administration has moved toward revoking the largest mountaintop-removal permit in West Virginia history."

"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."

"Developing nations' urgent need for more energy has become a central issue this year as developed countries -- including the United States -- push for a global reduction in carbon emissions ahead of a climate change conference scheduled for December in Copenhagen."

"Chinese government officials signed an agreement on Tuesday with First Solar, an American solar developer, for a 2,000-megawatt photovoltaic farm to be built in the Mongolian desert."

"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."