|Arctic ice going decrease (NASA)|
Arctic sea ice extent on Sept. 9, the lowest point this year, was 4:33 million square kilometers (1.67 million square miles). Averaged over the month of September, the ice extent was 4.61 million square kilometers (1.78 million square miles). This places 2011 as the second lowest ice extents Both for the daily minimum extents and the monthly average. Ice extents was 2:43 million square kilometers (938,000 square miles) below the 1979 to 2000 average.
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