Note the average for 1981 to 2010 and the data, the real data not what you might have been told by the Heartland Institute for the few years since then and the up to date numbers into 2015.
In case you are not familiar with reading graphs... the higher the line the more ice coverage exists. The lower the line the more the ice is disappearing from the baseline years of 1981 to 2010. Of course those baseline years are lower than for previous years so if the baseline had been 1950 to 2000 or similar, those declines would be even more dramatic
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Men plug the dikes of their most needed beliefs with whatever mud they can find. - Clifford Geertz
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