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By Kenneth Richard on 10. October 2019
Share this… Facebook TwitterIn a new study, scientists report that about 17,000 to 20,000 years ago, when CO2 levels hovered near 190 ppm, “summer temperatures were higher here [North Slope, Alaska] than they are today” (Kuzmina et al., 2019). Image Source: Guthrie and Stoker, 1990 and The New York Times In the modern climate, North […]