Evidence for man-made global warming hits 'gold standard': scientists | evidence for global warming reached the five sigma level by 2005 in two of three sets of satellite data widely used by researchers, and in 2016 in the third.

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Evidence for man-made global warming hits 'gold standard': scientists | evidence for global warming reached the five sigma level by 2005 in two of three sets of satellite data widely used by researchers, and in 2016 in the third.