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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
	It's the sun
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Climate Misinformation by Source: John Christy

Dr. John Christy is a Professor of Atmospheric Science and Director of the Earth System Science Center at the University of Alabama in Huntsville (UAH). He has also been Alabama's State Climatologist since November 2000. He is mostly known for his work with the satellite-based temperature monitoring for which he and Dr. Roy Spencer received NASA’s Exceptional Scientific Achievement Medal. Christy helped draft and signed the 2003 American Geophysical Union statement on climate change [Source: Wikipedia].

Dr. Christy believes that the climate system is quite insensitive to humanity’s greenhouse gas emissions and doubts that human activity is to blame for most of the observed recent warming.

Other professional affiliations: Dr. Christy is listed as a "Roundtable Speaker" for the George C. Marshall Institute, a right-wing conservative think tank on scientific issues and public policy. He is also listed as an expert for the Heartland Institute, a libertarian American public policy think tank [Source: DeSmogBlog]

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