In 2005 on Resilience Science, Line Gordon, wrote about recent research that we may have already passed tipping points in the Arctic.

NSIDC Arctic Sea Ice News Fall 2007 is providing weekly updates on the state of Arctic sea ice, which has reached record low coverage this year (the previous record low was in 2005).

The figure shows daily ice extent for 2007, 2005 and to the 1979 to 2000 average.