In 2013 alone, Powell found 10,885 peer-reviewed articles that discussed global warming or climate change. But only two described as peer-reviewed denied the widely-held belief that the planet is warming up because of humans, he says, and one of the two turned out not to be peer-reviewed.
One of those papers was produced by a Russian scientist, S. V. Avakyan, who claims global warming is a product of solar activity.
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