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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: 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]

Articles

What if global-warming fears are overblown?

URL: http://money.cnn.com/2009/05/14/magazines/fortune/globalwarming.fortun...
Date: 14 May 2009

Arguments by Christy	vs	What the Science Says
"Arctic sea ice loss is matched by Antarctic sea ice gain"		Arctic sea ice loss is three times greater than Antarctic sea ice gain.
"CO2 limits will harm the economy"		The benefits of a price on carbon outweigh the costs several times over.
"CO2 limits will make little difference"		If every nation agrees to limit CO2 emissions, we can achieve significant cuts on a global scale.
"Earth hasn't warmed as much as expected"		This argument ignores the cooling effect of aerosols and the planet's thermal inertia.
"Hansen's 1988 prediction was wrong"		Jim Hansen had several possible scenarios; his mid-level scenario B was right.
"It's not urgent"		A large amount of warming is delayed, and if we don’t act now we could pass tipping points.
"It's Urban Heat Island effect"		Urban and rural regions show the same warming trend.
"Temp record is unreliable"		The warming trend is the same in rural and urban areas, measured by thermometers and satellites.

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