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The President’s science advisor John Holdren speculated last year on the possibility of an ice free winter in the Arctic.
…if you lose the summer sea ice, there are phenomena that could lead you not so very long thereafter to lose the winter sea ice as well. And if you lose that sea ice year round, it’s going to mean drastic climatic change all over the hemisphere. – John Holdren, 2009
Let’s see how that is doing.
Enough ice to cover more than 150,000 Manhattans.
http://nsidc.org/data/seaice_index/images/daily_images/N_daily_extent.png
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