They're either industry shills or moronic laymen. But climate science would attract neither (and hence be like quantum electrodynamics) were it not for real world implications.
List of scientists who disagree with the scientific consensus on global warming
Scientists questioning the accuracy of IPCC climate projections
These scientists have said that it is not possible to project global climate accurately enough to justify the ranges projected for temperature and sea-level rise over the 21st century. They may not conclude specifically that the current IPCC projections are either too high or too low, but that the projections are likely to be inaccurate due to inadequacies of current global climate modeling.
- David Bellamy, botanist
- Lennart Bengtsson, meteorologist,
- Piers Corbyn, owner of the business WeatherAction which makes weather forecasts.
- Susan Crockford, Zoologist, adjunct professor in Anthropology at the University of Victoria
- Judith Curry, professor and former chair of the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology
- Joseph D'Aleo, past Chairman American Meteorological Society's Committee on Weather Analysis and Forecasting, former Professor of Meteorology, Lyndon State College
- Freeman Dyson, professor emeritus of the School of Natural Sciences
- Ivar Giaever, Norwegian–American physicist and Nobel laureate in physics (1973)
- Steven E. Koonin, theoretical physicist and director of the Center for Urban Science and Progress at New York University.
- Richard Lindzen, Alfred P. Sloan emeritus professor of atmospheric science at the MIT
- Craig Loehle, ecologist and chief scientist at the National Council for Air and Stream Improvement.
- Ross McKitrick, professor of economics and CBE chair in sustainable commerce
- Patrick Moore, former president of Greenpeace Canada
- Nils-Axel Mörner, retired head of the Paleogeophysics and Geodynamics Department at Stockholm University, former chairman of the INQUA Commission on Sea Level Changes and Coastal Evolution (1999–2003)
- Garth Paltridge, retired chief research scientist, CSIRO Division of Atmospheric Research
- Roger A. Pielke, Jr., professor of environmental studies, research scientist in condensed matter physics, and in environmental and soil science
- Harrison Schmitt, geologist, Apollo 17 astronaut, former US senator
- Peter Stilbs, professor of physical chemistry
- Philip Stott, professor emeritus of biogeography
- Hendrik Tennekes, retired director of research, Royal Netherlands Meteorological Institute
- Anastasios Tsonis, distinguished professor of atmospheric science
- Fritz Vahrenholt, German politician and energy executive with a doctorate in chemistry.
- Sallie Baliunas, retired astrophysicist
- Timothy Ball, historical climatologist, and retired professor of geography
- Ian Clark, hydrogeologist, professor, Department of Earth Sciences
- Vincent Courtillot, geophysicist
- Doug Edmeades, PhD., soil scientist
- David Douglass, solid-state physicist, professor.
- Don Easterbrook, emeritus professor of geology
- William Happer, physicist specializing in optics and spectroscopy; emeritus professor,
- Victor Manuel Velasco Herrera, Theoretical Physicist and Researcher
- Ole Humlum, professor of geology.
- Wibjörn Karlén, professor emeritus of geography and geology
- William Kininmonth, meteorologist, former Australian delegate to World Meteorological Organization Commission for Climatology.
- David Legates, associate professor of geography and director of the Center for Climatic Research, University of Delaware.
- Anthony Lupo, professor of atmospheric science
- Jennifer Marohasy, an Australian biologist
- Tad Murty, oceanographer; adjunct professor, Departments of Civil Engineering and Earth Sciences
- Tim Patterson, paleoclimatologist and professor of geology
- Ian Plimer, professor emeritus of mining geology,
- Arthur B. Robinson, American politician, biochemist
- Murry Salby, atmospheric scientist, former professor
- Nicola Scafetta, research scientist
- Tom Segalstad, geologist; associate professor
- Nir Shaviv, professor of physics focusing on astrophysics and climate science
- Fred Singer, professor emeritus of environmental sciences
- Willie Soon, astrophysicist
- Roy Spencer, meteorologist; principal research scientist
- Henrik Svensmark, physicist
- George H. Taylor, retired director of the Oregon Climate Service
- Jan Veizer, environmental geochemist
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