| http://www.w3.org/ns/prov#value | - Lovejoy???s new study concludes that there has been a natural cooling fluctuation of about 0.28 to 0.37 degrees Celsius since 1998 ??? a pattern that is in line with variations that occur historically every 20 to 50 years, according to the analysis. ???We find many examples of these variations in pre-industrial temperature reconstructions??? based on proxies such as tree rings, ice cores, and lake
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