23% Less Year Round Ice in the Arctic

NASA Examines Arctic Sea Ice Changes Leading to Record Low in 2007
October 01, 2007

PASADENA, Calif. – A new NASA-led study found a
23-percent loss in the extent of the Arctic’s thick, year-round sea ice
cover during the past two winters. This drastic reduction of perennial
winter sea ice is the primary cause of this summer’s fastest-ever sea
ice retreat on record and subsequent smallest-ever extent of total
Arctic coverage. <…read more>