ARCTIC SUMMER SEA ICE

GLOBAL WARMING: Arctic Summer Sea Ice Could Vanish Soon But Not Suddenly
Richard A. KerrScience 27 March 2009: 1655. Summary: After paring 23 climate models down to the best half-dozen, two researchers now say with new confidence that arctic summer ice will most likely disappear around 2037. But none of the select models predicts a tipping point--a sudden jump to an ice-free summer Arctic.