The 97 Percent Myth
June 3, 2014
from the National Center for Policy Analysis:
Global warming advocates routinely toss out the statistic that 97 percent of scientists agree that climate change is real and man-made. Where did that figure come from? Joseph Bast, president of the Heartland Institute, and Roy Spencer, principal research scientist for the University of Alabama in Huntsville, explain the history behind the misleading number.
In short, there is no basis for the claim that 97 percent of scientists believe that man-made climate change is a dangerous problem.
In 2004, Naomi Oreskes, a Harvard science historian, examined 928 abstracts of scientific journal articles, finding that three-quarters of them believed that humans were responsible for most of the observed warming of the last half-century.
- However, Oreskes did not analyze articles by prominent scientists — such as Richard Lindzen and John Christy — who question the “consensus” view.
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