A few week ago the U.S. National Academy of Sciences published a paper that claimed to have found evidence that scientists who support official climate change theory are vastly more numerous and expert than scientists who do not. Those who do not, often called skeptics or deniers, were said to be in such a minority as to be insignificant in number, making up only 2% or 3% of climate scientists. That tiny fraction of climate scientists was found to have much weaker levels of scientific "credibility" and "expertise."

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