‧Dr. Ian D. Clark, professor, isotope hydrogeology and paleoclimatology, Department of Earth Sciences, University of Ottawa.
‧Dr. Tad Murty, former senior research scientist, Department of Fisheries and Oceans, former director of Australia´s National Tidal Facility, and professor of earth sciences, Flinders University, Adelaide; currently adjunct professor, Departments of Civil Engineering and Earth Sciences, University of Ottawa.
‧Dr. R. Timothy Patterson, professor, Department of Earth Sciences（ paleoclimatology）, Carleton University, Ottawa.
‧Dr. Fred Michel, director, Institute of Environmental Science and associate professor, Department of Earth Sciences, Carleton University, Ottawa.
‧Dr. Madhav Khandekar, former research scientist, Environment Canada. Member of editorial board of Climate Research and Natural Hazards.
‧Dr. Paul Copper, FRSC, professor emeritus, Department of Earth Sciences, Laurentian University, Sudbury, Ontario.
‧Dr. Ross McKitrick, associate professor, Department of Economics, University of Guelph, Ontario.
‧Dr. Tim Ball, former professor of climatology, University of Winnipeg; environmental consultant.
‧Dr. Andreas Prokocon, adjunct professor of earth sciences, University of Ottawa; consultant in statistics and geology.
‧Mr. David Nowell, M.Sc. （Meteorology）, fellow of the Royal Meteorological Society, Canadian member, and past chairman of the NATO Meteorological Group, Ottawa.
‧Dr. Christopher Essex, professor of applied mathematics and associate director of the Program in Theoretical Physics, University of Western Ontario, London, Ontario.
‧Dr. Gordon E. Swaters, professor of applied mathematics, Department of Mathematical Sciences, and member, Geophysical Fluid Dynamics Research Group, University of Alberta.
‧Dr. L. Graham Smith, associate professor, Department of Geography, University of Western Ontario, London, Ontario.
‧Dr. G. Cornelis van Kooten, professor and Canada Research Chair in environmental studies and climate change, Department of Economics, University of Victoria.
‧Dr. Peter Chylek, adjunct professor, Department of Physics and Atmospheric Science, Dalhousie University, Halifax.
‧Dr./Cdr. M. R. Morgan, FRMS, climate consultant, former meteorology advisor to the World Meteorological Organization. Previously research scientist in climatology at University of Exeter, U.K.
‧Dr. Keith D. Hage, climate consultant and professor emeritus of Meteorology, University of Alberta.
‧Dr. David E. Wojick, P.Eng., energy consultant, Star Tannery, Virginia, and Sioux Lookout, Ontario.
‧Rob Scagel, M.Sc., forest microclimate specialist, principal consultant, Pacific Phytometric Consultants, Surrey, B.C.
‧Dr. Douglas Leahey, meteorologist and air-quality consultant, Calgary.
‧Paavo Siitam, M.Sc., agronomist, chemist, Cobourg, Ontario.
‧Dr. Chris de Freitas, climate scientist, associate professor, The University of Auckland, N.Z.
‧Dr. Richard S. Lindzen, Alfred P. Sloan professor of meteorology, Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology.
‧Dr. Freeman J. Dyson, emeritus professor of physics, Institute for Advanced Studies, Princeton, New Jersey.
‧Mr. George Taylor, Department of Meteorology, Oregon State University; Oregon State climatologist; past president, American Association of State Climatologists.
‧Dr. Ian Plimer, professor of geology, School of Earth and Environmental Sciences, University of Adelaide; emeritus professor of earth sciences, University of Melbourne, Australia.
‧Dr. R.M. Carter, professor, Marine Geophysical Laboratory, James Cook University, Townsville, Australia.
‧Mr. William Kininmonth, Australasian Climate Research, former Head National Climate Centre, Australian Bureau of Meteorology; former Australian delegate to World Meteorological Organization Commission for Climatology, Scientific and Technical
‧Dr. Hendrik Tennekes, former director of research, Royal Netherlands Meteorological Institute.
‧Dr. Gerrit J. van der Lingen, geologist/paleoclimatologist, Climate Change Consultant, Geoscience Research and Investigations, New Zealand.
‧Dr. Patrick J. Michaels, professor of environmental sciences, University of Virginia.
‧Dr. Nils-Axel Mörner, emeritus professor of paleogeophysics and geodynamics, Stockholm University, Stockholm, Sweden.
‧Dr. Gary D. Sharp, Center for Climate/Ocean Resources Study, Salinas, California.
‧Dr. Roy W. Spencer, principal research scientist, Earth System Science Center, The University of Alabama, Huntsville.
‧Dr. Al Pekarek, associate professor of geology, Earth and Atmospheric Sciences Dept., St. Cloud State University, St. Cloud, Minnesota.
‧Dr. Marcel Leroux, professor emeritus of climatology, University of Lyon, France; former director of Laboratory of Climatology, Risks and Environment, CNRS
‧Dr. Paul Reiter, professor, Institut Pasteur, Unit of Insects and Infectious Diseases, Paris, France. Expert reviewer, IPCC Working group II, chapter 8（ human health）.
‧Dr. Zbigniew Jaworowski, physicist and chairman, Scientific Council of Central Laboratory for Radiological Protection, Warsaw, Poland.
‧Dr. Sonja Boehmer-Christiansen, reader, Department of Geography, University of Hull, U.K.; editor, Energy and Environment.
‧Dr. Hans H.J. Labohm, former advisor to the executive board, Clingendael Institute（ The Netherlands Institute of International Relations）, and an economist who has focused on climate change.
‧Dr. Lee C. Gerhard, senior scientist emeritus, University of Kansas, past director and state geologist, Kansas Geological Survey.
‧Dr. Asmunn Moene, past head of the Forecasting Centre, Meteorological Institute, Norway.
‧Dr. August H. Auer, past professor of atmospheric science, University of Wyoming; previously chief meteorologist, Meteorological Service（ MetService） of New Zealand.
‧Dr. Vincent Gray, expert reviewer for the IPCC, and author of The Greenhouse Delusion: A Critique of「 Climate Change 2001」, Wellington, N.Z.
‧Dr. Howard Hayden, emeritus professor of physics, University of Connecticut.
‧Dr. Benny Peiser, professor of social anthropology, Faculty of Science, Liverpool John Moores University, U.K.
‧Dr. Jack Barrett, chemist and spectroscopist, formerly with Imperial College London, U.K.
‧Dr. William J.R. Alexander, professor emeritus, Dept. of Civil and Biosystems Engineering, University of Pretoria, South Africa. Member, United Nations Scientific and Technical Committee on Natural Disasters, 1994-2000
‧Dr. S. Fred Singer, professor emeritus of environmental sciences, University of Virginia; former director, U.S. Weather Satellite Service.
‧Dr. Harry N.A. Priem, emeritus professor of planetary geology and isotope geophysics, Utrecht University; former director of the Netherlands Institute for Isotope Geosciences; past president of the Royal Netherlands Geological & Mining Society.
‧Dr. Robert H. Essenhigh, E.G. Bailey professor of energy conversion, Department of Mechanical Engineering, The Ohio State University.
‧Dr. Sallie Baliunas, astrophysicist and climate researcher, Boston, Mass.
‧Douglas Hoyt, senior scientist at Raytheon（ retired） and co-author of the book, The Role of the Sun in Climate Change; previously with NCAR, NOAA, and the World Radiation Center, Davos, Switzerland.
‧Dipl.-Ing. Peter Dietze, independent energy advisor and scientific climate and carbon modeller, official IPCC reviewer, Bavaria, Germany.
‧Dr. Boris Winterhalter, senior marine researcher（ retired）, Geological Survey of Finland, former professor in marine geology, University of Helsinki, Finland.
‧Dr. Wibjörn Karlén, emeritus professor, Department of Physical Geography and Quaternary Geology, Stockholm University, Sweden.
‧Dr. Hugh W. Ellsaesser, physicist/meteorologist, previously with the Lawrence Livermore National Laboratory, California; atmospheric consultant.
‧Dr. Art Robinson, founder, Oregon Institute of Science and Medicine, Cave Junction, Oregon.
‧Dr. Arthur Rörsch, emeritus professor of molecular genetics, Leiden University, The Netherlands; past board member, Netherlands organization for applied research（ TNO） in environmental, food, and public health.
‧Dr. Alister McFarquhar, Downing College, Cambridge, U.K.; international economist.
‧Dr. Richard S. Courtney, climate and atmospheric science consultant, IPCC expert reviewer, U.K