Professional Paper 1386–A
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Figure 27. B, Past, current, and projected global temperature from about 20,000 years before the present to 2100 C.E. Modified from data published by the World Health Organization, the World Meteorological Organization, and the United Nations Environment Programme in 2003 (McMichael and others, 2003) and data published by the International Panel on Climate Change (IPCC) (2007a).