The Arctic National Wildlife Refuge has been called America's Serengeti -- one of the most important onshore denning habitats for America's struggling polar bears and home to caribou, Arctic foxes and millions of migratory birds.

Finding alternatives to refrigerants such as hydrofluorocarbons will help prevent the ozone hole being healed at climate's expense.

An international fisheries group set up to protect Atlantic tuna has done the opposite and driven one species of the fish, the bluefin, to the edge of extinction, environmentalists said Thursday.

This is a crucial time for the critically endangered vaquita porpoise

Last week, coal companies started setting off explosives on Coal River Mountain in West Virginia to prepare for a massive mountaintop removal coal mining operation which will destroy the local landscape and pollute surrounding communities

"Meat is a wasteful use of water and creates a lot of greenhouse gases. It puts enormous pressure on the world's resources. A vegetarian diet is better." Direct emissions of methane from cows and pigs is a significant source of greenhouse gases.

In May 2008, the Department of the Interior listed the polar bear as a threatened species under the Endangered Species Act. In October 2009, as required by the Endangered Species Act, the U.S. Fish and Wildlife Service announced its proposal to designate

After holding firm for thousands of years, shrinking ice fields atop Mount Kilimanjaro in Tanzania are dramatically depleted compared to just 100 years ago, a new study finds.

All right, so Beck's strange leap onto PETA's bandwagon just so happens to give him some ammunition against another of his regular targets, former Vice President Al Gore.

According to legend, the infamous Tsavo man-eating lions dined on 135 people near a Kenyan labor camp prior to their capture in 1898.The results suggest that the lions hunted together but didn't always share food.