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U.N.: Climate change may be irreversible

Name: U.N.: Climate change may be irreversible
Uploaded: 2014-11-03T18:29:00-0500
Duration: 2 min 2 s
Description: According to a United Nations panel, evidence shows that Earth is rapidly warming -- and humans are to blame. Significant effects are already being felt around the world. Chip Reid reports.

According to a United Nations panel, evidence shows that Earth is rapidly warming -- and humans are to blame. Significant effects are already being felt around the world. Chip Reid reports.