Why Scientists Disagree About Global Warming: Second Edition: The NIPCC Report on Scientific Consensus by Craig IdsoProbably the most widely repeated claim in the debate over global warming is that 97% of scientists agree that climate change is man-made and dangerous, the authors write. This claim is not only false, but its presence in the debate is an insult to science.
With these words, the authors begin a detailed analysis of one of the most controversial topics of the day. The authors make a compelling case against claims of a scientific consensus. The purported proof of such a consensus consists of sloppy research by nonscientists, college students, and a highly partisan Australian blogger. Surveys of climate scientists, even those heavily biased in favor of climate alarmism, find extensive disagreement on the underlying science and doubts about its reliability.
The authors point to four reasons why scientists disagree about global warming: a conflict among scientists in different and often competing disciplines; fundamental scientific uncertainties concerning how the global climate responds to the human presence; failure of the United Nations Intergovernmental Panel on Climate Change (IPCC) to provide objective guidance to the complex science; and bias among researchers.
The authors offer a succinct summary of the real science of climate change based on their previously published comprehensive review of climate science in a volume titled Climate Change Reconsidered II: Physical Science. They recommend that policymakers resist pressure from lobby groups to silence scientists who question the authority of the IPCC to claim to speak for climate science.
More than 50,000 copies of the first edition were sold or given away in five months to elected officials, civic and business leaders, scientists, and other opinion leaders. The response from the science community and experts on climate change has been overwhelmingly positive.
To meet demand for more copies, we have produced this second revised edition. Changes include a foreword by Marita Noon, at the time executive director of Energy Makes America Great, Inc. Some of the discussion in Chapter 1 has been revised and expanded thanks to feedback from readers of the first edition. Graphs in Chapters 4, 5, and 6 are now full color, and new graphs have been added.
Why Scientists Disagree about Global Warming
The Heartland Institute says it will send the book "Why Scientists Disagree About Global Warming" to every public school science teacher in the nation. Twenty-five thousand science teachers opened their mailboxes this month and found a package from the Heartland Institute, a libertarian think tank that rejects the scientific consensus on climate change. The material will be sent to an additional 25, teachers every two weeks until every public-school science teacher in the nation has a copy, Heartland president and CEO Joseph Bast said in an interview last week. If so, the campaign would reach more than , K science teachers. The letter also points teachers to an online guide to using the DVD in their classrooms.
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The Heartland Institute, a libertarian nonprofit organization, has sent mailings discrediting the scientific consensus on climate change to thousands of teachers nationwide. Credit: Rhett Allain via Twitter. Science teachers and legislators are fighting back after a conservative advocacy organization mailed false information on climate science to thousands of school science teachers nationwide. After the Heartland Institute began a mass mailing of teaching materials denying the scientific consensus on climate change , lawmakers and teachers' organizations have raised the alarm over what they characterize as propaganda disguised as information. These statements are false , as is the book's contention that the overwhelming majority of scientists do not agree on the manmade cause of global warming. The National Science Teachers Association NSTA , a professional organization representing 55, teachers nationwide, sent a letter to its members calling on them to resist what they characterized as an "unprecedented attack.
Scientists disagree about the causes and consequences of climate for several reasons. Climate is an interdisciplinary subject requiring insights from many fields. Very few scholars have mastery of more than one or two of these disciplines. Fundamental uncertainties arise from insufficient observational evidence, disagreements over how to interpret data, and how to set the parameters of models. The Intergovernmental Panel on Climate Change IPCC , created to find and disseminate research finding a human impact on global climate, is not a credible source. It is agenda-driven, a political rather than scientific body, and some allege it is corrupt. Finally, climate scientists, like all humans, can be biased.