Independent Evidence Confirms Global Warming in Instrument Record

by Sabrina I. Pacifici on December 17, 2012

“A new compilation of temperature records etched into ice cores, old corals, and lake sediment layers reveals a pattern of global warming from 1880 to 1995 comparable to the global warming trend recorded by thermometers. This finding, reported by a team of researchers from NOAA’s National Climatic Data Center, the University of South Carolina, the University of Colorado, and the University of Bern in Switzerland, resolves some of the uncertainty associated with thermometer records, which can be affected by land use changes, shifts in station locations, variations in instrumentation, and more.”

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