The science behind global warming
Why are Greenland's glaciers melting? What is causing global warming?
Taken from the documentary "FirstScience presents: Meltdown" available on FirstScience.tv
Download in full from http://firstscience.tv/meltdown.htm
Taken from the documentary "FirstScience presents: Meltdown" available on FirstScience.tv
Download in full from http://firstscience.tv/meltdown.htm
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