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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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	Climate's changed before
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Climate Misinformation by Source: Roy Spencer

Dr. Roy Spencer is a principal research scientist for the University of Alabama in Huntsville, as well as the U.S. Science Team Leader for the Advanced Microwave Scanning Radiometer (AMSR-E) on NASA’s Aqua satellite. He is known for his work with the satellite-based temperature monitoring for which he and Dr. John Christy received NASA’s Exceptional Scientific Achievement Medal [Wikipedia].

Dr. Spencer suggests that global warming is mostly due to natural internal variability, and that the climate system is quite insensitive to humanity’s greenhouse gas emissions.

Other professional affiliations: Dr. Spencer is on the board of directors of the George C. Marshall Institute, a right-wing conservative think tank on scientific issues and public policy. He listed as an expert for the Heartland Institute, a libertarian American public policy think tank. Dr. Spencer is also listed as an expert by the International Climate and Environmental Change Assessment Project (ICECAP), a global warming "skeptic" organization [DeSmogBlog].

Articles

Fallout from Our Paper: The Empire Strikes Back

URL: http://sppiblog.org/news/fallout-from-our-paper-the-empire-strikes-bac...
Date: 31 July 2011

Arguments by Spencer	vs	What the Science Says
"Roy Spencer finds negative feedback"		Spencer's model is too simple, excluding important factors like ocean dynamics and treats cloud feedbacks as forcings.

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