CO2 Speaker’s Corner | Gauthier | Antarctica | February 2009 from Michael McGee on Vimeo. Earth’s first video log about atmospheric CO2, the worldwide impacts, what needs to be done, and concrete examples of what people are doing to turn things around.   CO2 Speaker’s Corner video is also featured here on the home page of [...]

For Leslie Holland-Bartels of the U.S. Geological Survey (USGS), the inclusion of Alaska’s polar bears as a threatened species under the Endangered Species Act was a great accomplishment. But the 2008 federal designation also signaled much more — the broader scientific linkage between global warming and significant changes to wildlife, critical ecosystems and biodiversity. Working [...]

Scientists say shrinking Arctic sea ice may be forcing some polar bears into cannibalizing young cubs. “When (bears) are very hungry, they go looking for something to eat,” biologist Ian Stirling said Friday. “There’s nothing much to eat along the Hudson Bay coast in the fall other than other bears.” So far this fall, tour [...]

WINNIPEG–One of Canada’s top northern researchers says the permanent Arctic sea ice that is home to the world’s polar bears and usually survives the summer has all but disappeared. Experts around the world believed the ice was recovering because satellite images showed it expanding. But David Barber says the thick, multi-year frozen sheets crucial to [...]