An aerial view of icebergs floating in the Jacobshavn Fjord, near the town of Ilulissat, Greenland. Scientists believe that Greenland, with its melting ice caps and disappearing glaciers, is an accurate thermometer of global warming. (Photo by Uriel Sinai/Getty Images)
'Meltdown: Inside Out'
A new documentary, "Meltdown: Inside Out," explores how global warming is affecting the world's ice.
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