Melting Snow and Ice Warm Northern Hemisphere

These image maps show how changes in snow and ice in the Northern Hemisphere have allowed the Earth to soak up more solar energy—and warm up—over the last 30 years.

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Image by Rob Simmon, made with data provided by Mark Flanner, University of Michigan. Caption by Holli Riebeek.

Published February 24, 2011
Data acquired 1979 - 2008

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