Raging waters in Australia and Brazil product of global warming
Last year tied with the warmest on record, according to the National Oceanic and Atmospheric Administration. Derek Arndt, chief of NOAA's Climate Monitoring Branch in the National Climate Data Center, said 2010 was "an exclamation point on several decades of warming."
The pictures today from around the world of dramatic rooftop rescues from raging waters, makes it seem as though natural disasters are becoming an everyday occurrence. But they're not all that natural; climate scientists say man-made global warming is the sudden force behind the forces of nature.