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1970s: Earth Warmed 0.6°C From 1880-1940 And Cooled -0.3°C From 1940-1970. Now It's 0.1°C And -0.05°C.

1970s: Earth Warmed 0.6°C From 1880-1940 And Cooled -0.3°C From 1940-1970. Now It’s 0.1°C And -0.05°C.

Image Source: National Academy of Sciences,  Understanding Climatic Change About 45 years ago, the “consensus” in climate science (as summarized by Williamson, 1975) was quite different than today’s version. 1. The Medieval Warm Period was about 1°C warmer than present overall while the “largely ice-free” Arctic was 4°C warmer, allowing the Vikings to navigate through […]

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