Sea ice – lowest ever measured

On 17th Aug 2007, Arctic sea ice surpassed the previous single-day (absolute minimum) record for the lowest extent ever measured by satellite. NSIDC is now tracking changes on at least a weekly basis…

Arctic sea ice - average

The following images represent the change quite profoundly.

Arctic sea ice - Sep 15, 1979

Arctic sea ice - Aug 9, 2007
(source: RealClimate)

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