NASA's latest climate report below shows "a global increase in extremely hot summers. From 1951 - 1980 extremely hot summers increased from 2 - 3 % to as much as 30 - 40 % to 2010. It also show that while it was unusually cold this winter in the eastern United States and northern Eurasia, Hudson Bay and Baffin Bay (between Canada and Greenland) were essentially ice-free, the first recorded time that ice-free conditions lasted so long."
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