"Researchers found that two of the Tetons' biggest glaciers have lost more than 20 percent of their surface area since the late 1960s."

"UN Secretary General Ban Ki-moon is to visit a Norwegian island deep inside the Arctic Circle, near the North Pole, to see firsthand the effects of climate change, his spokeswoman said."

The city of Chesapeake, Va., will extend public water supply lines to residents around a golf course built on fly ash from a coal-burning utility. But the utility and city disagree on how much the utility will pay.

The recent Los Padres fire exemplifies a growing trend: Mexican drug cartels setting up shop in California wilderness and parkland.

"Paint with dangerously high lead levels is still being sold for household use worldwide, putting hundreds of millions of young children at risk of permanent brain damage," new research shows.

Chinese companies like Suntech are using government subsidies to leap ahead of the U.S. in the solar panel market.

"The U.S. Department of Energy said on Monday it has awarded $27.6 million of funding to evaluate the potential risks of storing carbon dioxide underground, which is seen as a way to control global warming."

"COLUMBIA, S.C. -- State-owned utility Santee Cooper decided Monday to drop plans for a controversial coal-fired power plant in South Carolina, a move lauded by environmental groups that had criticized the facility."

A simple brass plaque in Tarusa, Russia, stands as a reminder of an epic tale of scores of nuclear disasters in the former Soviet Union that were hidden, or never completely reported.

"In an age of angst about security and Arctic sovereignty, it's no mean feat piecing together an oceanographic expedition involving scientists from the United States, Russia and elsewhere and launching the whole affair from a northern U.S. port."