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Uploaded on Jan 14, 2011
1/13/11: ABC World News reports on the floods in Brazil and Australia and record precipitation -- including winter snows -- around the world, during the hottest global temperatures in recorded history. Dr. Richard Somerville explains: "This is no longer something that's theory or conjecture or something that comes out of computer models. We're observing the climate changing. It's real. It's happening. It's scientific fact."