1960s Satellite Images Add To Evidence Of Shrinking Sea Ice

A new analysis of images taken from one of the first U.S. weather satellites appears to confirm shrinking Arctic sea ice.

Source: http://www.npr.org/blogs/thetwo-way/2013/04/24/178837460/1960s-satellite-images-add-to-evidence-of-shrinking-sea-ice?ft=1&f=1007

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