3.3 Polar sea ice

The ice around the North Pole is going away, and it’s doing so with alarming rapidity.  We are not talking about the yearly cycle of melt in the summer and freeze in the winter, but the long-term trend of declining amounts of ice. The area of the ocean covered by ice, as well  as volume, and the thickness of the ice is going down. Fast.

The 10 lowest maxima for extent in the satellite record all occurred in the last 10 years.
Global sea ice at lowest area ever recorded (Jan 2017)

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arctic sea ice time series

NASA: Annual Arctic Sea Ice Minimum 1979-2015 with Area Graph

Interactive updated sea ice graph 2016

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Antarctic

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