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from Climate Change: Vital Signs of the Planet

Graphic: Arctic sea ice loss


Figure 2a. The graph above shows Arctic sea ice extent as of November 1, 2016, along with daily ice extent data for four previous years. 2016 is shown in blue, 2015 in green, 2014 in orange, 2013 in brown, and 2012 in purple. The 1981 to 2010 average is in dark gray. The gray area around the average line shows the two standard deviation range of the data

QQ.0222-09: Thawing slabs of sea ice in summer. blue with icicles. Northwest Greenland. © Bryan & Cherry Alexander Photography / ArcticPhoto