Layzej writes "The Associated Press reports: 'In 2012 many of the warnings scientists have made about global warming went from dry studies in scientific journals to real-life video played before our eyes. As 2012 began, winter in the U.S. went AWOL. Spring and summer arrived early with wildfires, blistering heat and drought. And fall hit the eastern third of the country with the ferocity of Superstorm Sandy. Globally, five countries this year set heat records, but none set cold records. 2012 is on track to be the warmest year on record in the United States. Worldwide, the average through November suggests it will be the eighth warmest since global record-keeping began in 1880 and will likely beat 2011 as the hottest La Nina year on record. America's heartland lurched from one extreme to the other without stopping at "normal." Historic flooding in 2011 gave way to devastating drought in 2012. But the most troubling climate development this year was the melting at the top of the world. Summer sea ice in the Arctic shrank to 18 percent below the previous record low. These are "clearly not freak events," but "systemic changes," said climate scientist Stefan Rahmstorf of the Potsdam Institute in Germany. "With all the extremes that, really, every year in the last 10 years have struck different parts of the globe, more and more people absolutely realize that climate change is here and already hitting us."'"
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