Autumn temperatures in the Arctic are at record levels, the Arctic Ocean is getting warmer and less salty as sea ice melts, and reindeer herds appear to be declining, researchers reported Thursday. ...more

October 17, 2008

Rapidly melting ice on Alaska's Arctic is opening up a new navigable ocean in the extreme north, allowing oil tankers, fishing vessels and even cruise ships to venture into a realm once trolled mostly by indigenous hunters. ...more

August 22, 2008

Parts of the Endangered Species Act may soon be extinct. The Bush administration wants federal agencies to decide for themselves whether highways, dams, mines and other construction projects might harm endangered animals and plants. New regulations, which don't require the approval of Congress, would reduce the mandatory, independent reviews government scientists have been performing for 35 years, according to a draft first obtained by The Associated Press. ...more

August 12, 2008

a mountain that erupted about 2,300 years ago and still might be generating enough heat to speed up glacial melting. ...more

January 26, 2008

In what some scientists see as another alarming consequence of global warming, thousands of Pacific walruses above the Arctic Circle were killed in stampedes this year after the disappearance of sea ice caused them to crowd onto the shoreline in extraordinary numbers. ...more

December 15, 2007