A growing list of 31,487 U.S. scientists (and counting) has signed a petition strongly rejecting as unproven the hypothesis of man-made global warming or climate change. These signers include four NASA astronauts, at least two Nobel Prize winning physicists, 9,029 Ph.D.s and some of the nation’s top climatologists. Only U.S. scientists are included in this particular petition. Only relevant scientific fields are included.
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