How do we know the melting of these glaciers is so severe?: Global Warming: Melting Glaciers

How do we know the melting of these glaciers is so severe?: Global Warming: Melting Glaciers

How do we know the melting of these glaciers is so severe?: Global Warming: Melting Glaciers

How do we know the melting of these glaciers is so severe?: Michael Oppenheimer (Professor, Princeton University)

User: Scribble

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Uploaded: 2015-04-15

Duration: 00:47

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