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There is extensive Scientific Evidence to be Skeptical of "Man-Made" Global Warming and it has nothing to do with "denial"

"More informed respondents both feel less personally responsible for global warming, and also show less concern for global warming" - 2008 Texas A&M University Study

Climate of Fear (Richard S. Lindzen, Ph.D. Professor of Meteorology, MIT)
The Case for Skepticism on Global Warming (Michael Crichton, A.B. Anthropology, M.D. Harvard)
Climate chaos? Don't believe it (Christopher Monckton, The Daily Telegraph, UK)

Guides:
A Global Warming Primer (PDF) (National Center for Policy Analysis)
A Skeptic’s Guide to Debunking Global Warming Alarmism (PDF) (US Senate Environment & Public Works Committee)
Global Warming FAQ (PDF) (Competitive Enterprise Institute)

Myths:
Fallacies about Global Warming (Science & Public Policy Institute)
Global Warming Myths (Friends of Science)
Green Myths On Global Warming - Debunked (The Association of British Drivers, UK)
Heartland President Debunks Global Warming Myths (The Heartland Institute)
Myths of Global Warming (National Center for Policy Analysis)
The Global Warming Myth? (John Stossel, 20/20)
Top 10 Environmental Myths (PDF) (U.S. Chamber of Commerce)
Top 10 'Global-Warming' Myths (Human Events)

Papers:
Climate Science: Climate Change and Its Impacts (PDF) (David R. Legates, Ph.D. Climatology)
CO2: The Greatest Scientific Scandal of Our Time (PDF) (Zbigniew Jaworowski, M.D. Ph.D. D.Sc.)
Environmental Effects of Increased Atmospheric Carbon Dioxide (PDF) (Arthur Robinson, Ph.D. Chemistry)
Nature, Not Human Activity, Rules the Climate (PDF) (S. Fred Singer, Ph.D. Physics, Professor Emeritus of Environmental Sciences, University of Virginia)
The Global Warming Folly (Zbigniew Jaworowski, M.D., Ph.D., D.Sc.)
The Myth of Dangerous Human Caused Climate Change (PDF) (Robert (Bob) M. Carter, B.Sc. Geology, Ph.D. Paleontology)
The Nature of Arguments for Anthropogenic Global Warming (PDF) (Richard S. Lindzen, Ph.D. Professor of Meteorology, MIT)