Arctic: Warmest in 2,000 years
Thursday, 3 September 2009, By Richard Black, Environment correspondent, BBC News website Arctic temperatures are now warmer than at any time in the last 2,000 years, research reveals. Changes to the Earth’s orbit drove centuries of cooling, but temperatures rose fast in the last 100 years as human greenhouse gas emissions rose. The result is a “hockey stick”-like sudden 90 degree turn, in which the last decade – 1998-2008 –. . . CONTINUE