Here are a few scientists who don't believe in global warming:
Freeman Dyson, professor emeritus of the School of Natural Sciences,
Institute for Advanced Study;
Fellow of the Royal Society
Richard Lindzen, Alfred P. Sloan emeritus professor of atmospheric science at the
Massachusetts Institute of Technology and member of the
National Academy of SciencesNils-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 and retired director of the Institute of the Antarctic Cooperative Research Centre, visiting fellow
Australian National University
Peter Stilbs, professor of physical chemistry at
Royal Institute of Technology, Stockholm
Philip Stott, professor emeritus of biogeography at the
University of London
Hendrik Tennekes, retired director of research, Royal Netherlands Meteorological Institute
Fritz Vahrenholt, German politician and energy executive with a doctorate in chemistry
Here are a few more who believe that global warming is natural;
Khabibullo Abdusamatov, astrophysicist at
Pulkovo Observatory of the
Russian Academy of Sciences
Sallie Baliunas, astrophysicist,
Harvard-Smithsonian Center for Astrophysics
Tim Ball, professor emeritus of geography at the
University of Winnipeg
Robert M. Carter, former head of the school of earth sciences at
James Cook University
Ian Clark, hydrogeologist, professor, Department of Earth Sciences,
University of Ottawa
Chris de Freitas, associate professor, School of Geography, Geology and Environmental Science,
University of Auckland
David Douglass, solid-state physicist, professor, Department of Physics and Astronomy,
University of Rochester
Don Easterbrook, emeritus professor of geology,
Western Washington University
William M. Gray, professor emeritus and head of the
Tropical Meteorology Project, Department of Atmospheric Science,
Colorado State University
William Happer, physicist specializing in optics and spectroscopy,
Princeton University
Ole Humlum, professor of geology at the
University of Oslo
Wibjörn Karlén, professor emeritus of geography and geology at the
University of Stockholm.
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 at the
University of Missouri
Tad Murty, oceanographer; adjunct professor, Departments of Civil Engineering and Earth Sciences,
University of Ottawa
Tim Patterson, paleoclimatologist and professor of geology at
Carleton University in Canada.
Ian Plimer, professor emeritus of Mining Geology, the University of Adelaide.
Arthur B. Robinson, American politician, biochemist and former faculty member at the
University of California, San Diego
Murry Salby, atmospheric scientist, former professor at
Macquarie University
Nicola Scafetta, research scientist in the physics department at
Duke University
Tom Segalstad, head of the Geology Museum at the
University of Oslo
Fred Singer, professor emeritus of environmental sciences at the
University of Virginia
Willie Soon, astrophysicist,
Harvard-Smithsonian Center for Astrophysics
Roy Spencer, principal research scientist,
University of Alabama in Huntsville
Henrik Svensmark,
Danish National Space Center
George H. Taylor, former director of the Oregon Climate Service at
Oregon State University
Jan Veizer, environmental geochemist, professor emeritus from
University of Ottawa
Of course there are some who don't know if or what causes global warming;
Syun-Ichi Akasofu, retired professor of geophysics and founding director of the International Arctic Research Center of the University of Alaska Fairbanks.
Claude Allègre, French politician; geochemist, emeritus professor at Institute of Geophysics (Paris).
Robert Balling, a professor of geography at
Arizona State University.
John Christy, professor of atmospheric science and director of the Earth System Science Center at the
University of Alabama in Huntsville, contributor to several
IPCC reports.
Petr Chylek, space and remote sensing sciences researcher,
Los Alamos National Laboratory.
David Deming, geology professor at the
University of Oklahoma.
Ivar Giaever, professor emeritus of physics at the
Rensselaer Polytechnic Institute.
Vincent R. Gray, New Zealander physical chemist with expertise in coal ashes
Keith Idso, botanist, former adjunct professor of biology at
Maricopa County Community College District and the vice president of the
Center for the Study of Carbon Dioxide and Global Change
Antonino Zichichi, emeritus professor of nuclear physics at the
University of Bologna and president of the World Federation of Scientists.
If you look them up they are some pretty big names here.