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Sun’s Contribution to Warming
There have also been recent findings in peer-reviewed literature over the last few years showing that the Antarctic is getting colder and the ice is growing and a new 2006 study in Geophysical Research Letters found that the sun was responsible for up to 50% of 20th-century warming. See: http://www.agu.org/pubs/crossref/2006/2006GL027142.shtml