Climate skeptic scientists

A. List of scientists skeptical of man-made climate change deleted by Wikipedia.

Scientists Arguing That Global Warming Is Primarily Caused By Natural Processes

— scientists that have called the observed warming attributable to natural causes, i.e. the high solar activity witnessed over the last few decades.

• Khabibullo Abdusamatov, astrophysicist at  Pulkovo Observatory of the  Russian Academy of Sciences. ^{[81] [82]}
• Sallie Baliunas, retired astrophysicist,  Harvard-Smithsonian Center for Astrophysics. ^{[83] [84] [85]}
• Timothy Ball, historical climatologist, and retired professor of geography at the  University of Winnipeg. ^{[86] [87] [88]}
• Ian Clark, hydrogeologist, professor, Department of Earth Sciences,  University of Ottawa. ^{[89] [90]}
• Vincent Courtillot, geophysicist, member of the  French Academy of Sciences. ^[91]
• Doug Edmeades, PhD., soil scientist, officer of the New Zealand Order of Merit. ^[92]
• David Dilley, B.S. and M.S. in meteorology, CEO Global Weather Oscillations Inc.  [198] [199]
• David Douglass, solid-state physicist, professor, Department of Physics and Astronomy,  University of Rochester. ^{[93] [94]}
• Don Easterbrook, emeritus professor of geology,  Western Washington University. ^{[95] [96]}
• William Happer, physicist specializing in optics and spectroscopy; emeritus professor,  Princeton University. ^{[39] [97]}
• Victor Manuel Velasco Herrera, Theoretical Physicist and Researcher, Institute of Geophysics of the  National Autonomous University of Mexico. ^[98]
• Ole Humlum, professor of geology at the  University of Oslo. ^{[99] [100]}
• Wibjörn Karlén, professor emeritus of geography and geology at the  University of Stockholm. ^{[101] [102]}
• William Kininmonth, meteorologist, former Australian delegate to World Meteorological Organization Commission for Climatology. ^{[103] [104]}
• David Legates, associate professor of geography and director of the Center for Climatic Research, University of Delaware. ^{[105] [106]}
• Anthony Lupo, professor of atmospheric science at the  University of Missouri. ^{[107] [108]}
• Jennifer Marohasy, an Australian biologist, former director of the  Australian Environment Foundation. ^{[109] [110]}
• Tad Murty, oceanographer; adjunct professor, Departments of Civil Engineering and Earth Sciences,  University of Ottawa. ^{[111] [112]}
• Tim Patterson, paleoclimatologist and professor of geology at  Carleton University in Canada. ^{[113] [114]}
• Ian Plimer, professor emeritus of mining geology, the University of Adelaide. ^{[115] [116]}
• Arthur B. Robinson, American politician, biochemist and former faculty member at the  University of California, San Diego. ^{[117] [118]}
• Murry Salby, atmospheric scientist, former professor at  Macquarie University and  University of Colorado. ^{[119] [120]}
• Nicola Scafetta, research scientist in the physics department at  Duke University. ^{[121] [122] [123]}
• Tom Segalstad, geologist; associate professor at  University of Oslo. ^{[124] [125]}
• Nedialko (Ned) T. Nikolov, PhD in Ecological Modelling,  [200]
• Nir Shaviv, professor of physics focusing on astrophysics and climate science at the  Hebrew University of Jerusalem. ^{[126] [127]}
• Fred Singer, professor emeritus of environmental sciences at the  University of Virginia. ^{[128] [129] [130] [131]}
• Willie Soon, astrophysicist,  Harvard-Smithsonian Center for Astrophysics. ^{[132] [133]}
• Roy Spencer, meteorologist; principal research scientist,  University of Alabama in Huntsville. ^{[134] [135]}
• Henrik Svensmark, physicist,  Danish National Space Center. ^{[136] [137]}
• George H. Taylor, retired director of the Oregon Climate Service at  Oregon State University. ^{[138] [139]}
• Jan Veizer, environmental geochemist, professor emeritus from  University of Ottawa. ^{[140] [141]}

Scientists Publicly Questioning The Accuracy Of IPCC Climate Models

• Dr. Jarl R. Ahlbeck, chemical engineer at Abo Akademi University in Finland, former Greenpeace member.  [203] [204]
• David Bellamy, botanist. ^{[19] [20] [21] [22]}
• Lennart Bengtsson, meteorologist,  Reading University. ^{[23] [24]}
• Piers Corbyn, owner of the business WeatherAction which makes weather forecasts. ^{[25] [26]}
• Susan Crockford, Zoologist, adjunct professor in Anthropology at the University of Victoria.  ^{[27] [28] [29]}
• Judith Curry, professor and former chair of the School of Earth and Atmospheric Sciences at the  Georgia Institute of Technology. ^{[30] [31] [32] [33]}
• Joseph D’Aleo, past Chairman American Meteorological Society’s Committee on Weather Analysis and Forecasting, former Professor of Meteorology, Lyndon State College. ^{[34] [35] [36] [37]}
• Freeman Dyson, professor emeritus of the School of Natural Sciences,  Institute for Advanced Study;  Fellow of the Royal Society. ^{[38] [39]}
• Ivar Giaever, Norwegian–American physicist and Nobel laureate in physics (1973). ^[40]
• Dr. Kiminori Itoh, Ph.D., Industrial Chemistry, University of Tokyo  [202]
• Steven E. Koonin, theoretical physicist and director of the Center for Urban Science and Progress at New York University. ^{[41] [42]}
• Richard Lindzen, Alfred P. Sloan emeritus professor of atmospheric science at the  Massachusetts Institute of Technology and member of the  National Academy of Sciences. ^{[39] [43] [44] [45]}
• Craig Loehle, ecologist and chief scientist at the National Council for Air and Stream Improvement. ^{[46] [47] [48] [49] [50] [51] [52]}
• Sebastian Lüning, geologist, famed for his book The Cold Sun.   [201]
• Ross McKitrick, professor of economics and CBE chair in sustainable commerce,  University of Guelph. ^{[53] [54]}
• Patrick Moore, former president of  Greenpeace Canada. ^{[55] [56] [57]}
• 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). ^{[58] [59]}
• 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. ^{[60] [61]}
• Roger A. Pielke, Jr., professor of environmental studies at the Center for Science and Technology Policy Research at the  University of Colorado at Boulder. ^{[62] [63]}
• Denis Rancourt, former professor of physics at  University of Ottawa, research scientist in condensed matter physics, and in environmental and soil science. ^{[64] [65] [66] [67]}
• Harrison Schmitt, geologist, Apollo 17 astronaut, former US senator. ^{[68] [69]}
• Peter Stilbs, professor of physical chemistry at  Royal Institute of Technology, Stockholm. ^{[70] [71]}
• Philip Stott, professor emeritus of biogeography at the  University of London. ^{[72] [73]}
• Hendrik Tennekes, retired director of research, Royal Netherlands Meteorological Institute. ^{[74] [75]}
• Anastasios Tsonis, distinguished professor of atmospheric science at the  University of Wisconsin-Milwaukee. ^{[76] [77]}
• Fritz Vahrenholt, German politician and energy executive with a doctorate in chemistry. ^{[78] [79]}
• Valentina Zharkova, professor in mathematics at Northumbria University. BSc/MSc in applied mathematics and astronomy, a Ph.D. in astrophysics.

Scientists Arguing That The Cause Of Global Warming Is Unknown

• Syun-Ichi Akasofu, retired professor of geophysics and founding director of the International Arctic Research Center of the University of Alaska Fairbanks. ^{[142] [143]}
• Claude Allègre, French politician; geochemist, emeritus professor at Institute of Geophysics (Paris). ^{[144] [145]}
• Robert Balling, a professor of geography at  Arizona State University. ^{[146] [147]}
• Pål Brekke, solar astrophycisist, senior advisor  Norwegian Space Centre. ^{[148] [149]}
• 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. ^{[150] [151] [152]}
• Petr Chylek, space and remote sensing sciences researcher,  Los Alamos National Laboratory. ^{[153] [154]}
• David Deming, geology professor at the  University of Oklahoma. ^{[155] [156]}
• Stanley B. Goldenberg a meteorologist with NOAA/AOML’s Hurricane Research Division. ^{[157] [158]}
• Vincent R. Gray, New Zealand physical chemist with expertise in coal ashes. ^{[159] [160]}
• Keith E. 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. ^{[161] [162]}
• Kary Mullis, 1993 Nobel laureate in chemistry, inventor of the  polymerase chain reaction (PCR) method. ^{[163] [164] [165]}
• Antonino Zichichi, emeritus professor of nuclear physics at the  University of Bologna and president of the World Federation of Scientists. ^{[166] [167]}

Scientists Arguing That Global Warming Will Have Few Negative Consequences

• Indur M. Goklany, electrical engineer, science and technology policy analyst for the United States  Department of the Interior. ^{[168] [169] [170]}
• Craig D. Idso, geographer, faculty researcher, Office of Climatology,  Arizona State University and founder of the  Center for the Study of Carbon Dioxide and Global Change. ^{[171] [172]}
• Sherwood B. Idso, former research physicist,  USDA Water Conservation Laboratory, and adjunct professor,  Arizona State University. ^{[173] [174]}
• Patrick Michaels, senior fellow at the  Cato Institute and retired  research professor of environmental science at the  University of Virginia. ^{[175] [176]}

Deceased Scientists

— who published material indicating their opposition to the mainstream scientific assessment of global warming prior to their deaths.

• August H. “Augie” Auer Jr. (1940–2007), retired  New Zealand MetService meteorologist and past professor of atmospheric science at the University of Wyoming. ^{[177] [178]}
• Reid Bryson (1920–2008),  emeritus professor of atmospheric and oceanic sciences,  University of Wisconsin-Madison. ^{[179] [180]}
• Robert M. Carter (1942–2016), former head of the School of Earth Sciences at  James Cook University. ^{[181] [182]}
• Chris de Freitas (1948–2017), associate professor, School of Geography, Geology and Environmental Science,  University of Auckland. ^{[183] [184]}
• William M. Gray (1929–2016), professor emeritus and head of the  Tropical Meteorology Project, Department of Atmospheric Science,  Colorado State University. ^{[185] [186]}
• Yuri Izrael (1930–2014), former chairman, Committee for Hydrometeorology (USSR); former firector, Institute of Global Climate and Ecology (Russian Academy of Science); vice-chairman of  IPCC, 2001-2007. ^{[187] [188] [189]}
• Robert Jastrow (1925–2008), American  astronomer,  physicist,  cosmologist and leading  NASA scientist who, together with  Fred Seitz and  William Nierenberg, established the  George C. Marshall Institute. ^{[190] [191] [192]}
• Harold (“Hal”) Warren Lewis (1923–2011),  emeritus professor of  physics and former department chairman at the  University of California, Santa Barbara. ^{[193] [194]}
• Frederick Seitz (1911–2008),  solid-state physicist, former president of the  National Academy of Sciences and co-founder of the  George C. Marshall Institute in 1984. ^{[195] [196] [197]}
• Joanne Simpson (1923-2010), first woman in the United States to receive a Ph.D. in meteorology,  [201]

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Partial list of 150 + scientists who do NOT support the Catastrophic Anthropogenic Climate Change Scam: (includes ~60 Nobel Prize winners). Sceptical list provided by David Harrington of leading scientists. They all have many excellent published papers on the AGW subject.

1. A.J. Tom van Loon, PhD
2. Aaron Klug, Nobel Prize (Chemistry)
3. Abdus Salam, Nobel Prize (Physics)
4. Adolph Butenandt, Nobel Prize (Chemistry)
5. Al Pekarek, PhD
6. Alan Moran, PhD
7. Albrecht Glatzle, PhD
8. Alex Robson, PhD
9. Alister McFarquhar, PhD
10. Amo A. Penzias, Nobel Prize (Physics)
11. Andrei Illarionov, PhD
12. Anthony Jewish, Nobel Prize (Physics)
13. Anthony R. Lupo, PhD
14. Antonino Zichichi, President of the World Federation of Scientists.
15. Arthur L. Schawlow, Nobel Prize (Physics)
16. Arthur Rorsch, PhD
17. Austin Robert, PhD
18. Asmunn Moene, PhD
19. Baruj Benacerraf, Nobel Prize (Medicine)
20. Bert Sakmann, Nobel Prize (Medicine)
21. Bjarne Andresen, PhD
22. Boris Winterhalter, PhD
23. Brian G Valentine, PhD
24. Brian Pratt, PhD
25. Bryan Leyland, International Climate Science Coalition
26. Cesar Milstein, Nobel Prize (Physiology)
27. Charles H. Townes, Nobel Prize (Physics)
28. Chris C. Borel, PhD
29. Chris Schoneveld, MSc (Structural Geology)
30. Christian de Duve, Nobel Prize (Medicine)
31. Christopher Essex, PhD
32. Cliff Ollier, PhD
33. Susan Crockford PhD
34. Daniel Nathans, Nobel Prize (Medicine)
35. David Deming, PhD (Geophysics)
36. David E. Wojick, PhD
37. David Evans, PhD (EE)
38. David Kear, PhD
39. David R. Legates, PhD
40. Dick Thoenes, PhD
41. Don Aitkin, PhD
42. Don J. Easterbrook, PhD
43. Donald A. Glaser, Nobel Prize (Physics)
44. Donald Parkes, PhD
45. Douglas Leahey, PhD
46. Dudley R. Herschbach, Nobel Prize (Chemistry)
47. Edwin G. Krebs, Nobel Prize (Medicine)
48. Erwin Neher, Nobel Prize (Medicine)
49. Frank Milne, PhD
50. Fred Goldberg, PhD
51. Fred Michel, PhD
52. Freeman J. Dyson, PhD
53. Garth W. Paltridge, PhD
54. Gary D. Sharp, PhD
55. Geoff L. Austin, PhD
56. George E. Palade, Nobel Prize (Medicine)
57. Gerald Debreu, Nobel Prize (Economy)
58. Gerhard Herzberg, Nobel Prize (Chemistry)
59. Gerrit J. van der Lingen, PhD
60. Hans Albrecht Bethe, Nobel Prize (Physics)
61. Hans H.J. Labohm, PhD
62. Harold E. Varmus, Nobel Prize (Medicine)
63. Harry M. Markowitz, Nobel Prize (Economics)
64. Harry N.A. Priem, PhD
65. Heinrich Rohrer, Nobel Prize (Physics)
66. Hendrik Tennekes, PhD
67. Henrik Svensmark, physicist
68. Herbert A. Hauptman, Nobel Prize (Chemistry)
69. Horst Malberg, PhD
70. Howard Hayden, PhD
71. I. Prigogine, Nobel Prize (Chemistry)
72. Ian D. Clark, PhD
73. Ian Plimer, PhD
74. Ivar Giaever, Nobel Prize (Physics)
75. James J. O’Brien, PhD
76. Jean Dausset, Nobel Prize (Medicine)
77. Jean-Marie Lehn, Nobel Prize (Chemistry)
78. Jennifer Marohasy, PhD
79. Jerome Karle, Nobel Prize (Chemistry)
80. Joel M. Kauffman, PhD
81. Johan Deisenhofer, Nobel Prize (Chemistry)
82. John Charles Polanyi, Nobel Prize (Chemistry)
83. John Maunder, PhD
84. John Nicol, PhD
85. Jon Jenkins, PhD
86. Joseph Murray, Nobel Prize (Medicine)
87. Julius Axelrod, Nobel Prize (Medicine)
88. Kai Siegbahn, Nobel Prize (Physics)
89. Khabibullo Abdusamatov, astrophysicist at Pulkovo Observatory of the Russian Academy of Sciences
90. Klaus Von Klitzing, Nobel Prize (Physics)
91. Gerhard Kramm: PhD (meteorology)
92. L. Graham Smith, PhD
93. Lee C. Gerhard, PhD
94. Len Walker, PhD
95. Leon Lederman, Nobel Prize (Physics)
96. Linus Pauling, Nobel Prize (Chemistry
97. Lord Alexander Todd, Nobel Prize (Chemistry)
98. Lord George Porter, Nobel Prize (Chemistry)
99. Louis Neel, Nobel Prize (Physics)
100. Lubos Motl, PhD
101. Madhav Khandekar, PhD
102. Manfred Eigen, Nobel Prize (Chemistry)
103. Marcel Leroux, PhD
104. Marshall W. Nirenberg, Nobel Prize (Medicine)
105. Max Ferdinand Perutz, Nobel Prize (Chemistry)
106. Ned Nikolov PhD
107. Nils-Axel Morner, PhD
108. Olavi Kärner, Ph.D.
109. Oleg Pokrovsky, Professor
110. Owen Chamberlain, Nobel Prize (Physics)
111. Pierre Lelong, Professor
112. Pierre-Gilles de Gennes, Nobel Prize (Physics)
113. R. Timothy Patterson, PhD
114. R. W. Gauldie, PhD
115. R.G. Roper, PhD
116. Raphael Wust, PhD
117. Reid A. Bryson, Ph.D. Page on d.sc. D.Engr.
118. Richard Laurence Millington Synge, Nobel Prize (Chemistry)
119. Richard Mackey, PhD
120. Richard R. Ernst, Nobel Prize (Chemistry)
121. Richard S. Courtney, PhD
122. Richard S. Lindzen, PhD
123. Rita Levi-Montalcini, Nobel Prize (Medicine)
124. Roald Hoffman, Nobel Prize (Chemistry)
125. Robert H. Essenhigh, PhD
126. Robert Huber, Nobel Prize (Chemistry)
127. Robert M. Carter, PhD
128. Robert W. Wilson, Nobel Prize (Physics)
129. Roger Guillemin, Nobel Prize (Medicine)
130. Ross McKitrick, PhD
131. Roy W. Spencer, PhD
132. S. Fred Singer, PhD
133. Sallie Baliunas, astrophysicist Harvard
134. Salomon Kroonenberg, PhD
135. Sherwood B. Idso, PhD
136. Simon van der Meer, Nobel Prize (Physics)
137. Sir Andrew Fielding Huxley, Nobel Prize (Medicine)
138. Sir James W. Black, Nobel Prize (Medicine)
139. Sir John Kendrew, Nobel Prize (Chemistry)
140. Sir John R. Vane , Nobel Prize (Medicine)
141. Sir John Warcup Cornforth, Nobel Prize (Chemistry)
142. Sir. Nevil F. Mott, Nobel Prize Winner (Physics)
143. Sonja A. Boehmer-Christiansen, PhD
144. Stanley Cohen, Nobel Prize (Medicine)
145. Stephan Wilksch, PhD
146. Stewart Franks, PhD
147. Syun-Ichi Akasofu, PhD
148. Tadeus Reichstein, Nobel Prize (Medicine)
149. Thomas Huckle Weller, Nobel Prize (Medicine)
150. Thomas R. Cech, Nobel Prize (Chemistry)
151. Timothy F. Ball, PhD
152. Tom V. Segalstad, PhD
153. Torsten N. Wiesel, Nobel Prize (Medicine)
154. Vincent Gray, PhD
155. Walter Starck, PhD (marine science; specialization in coral reefs and fisheries)
156. Wibjorn Karlen, PhD
157. Willem de Lange, PhD
158. William Evans, PhD
159. William Happer, physicist Princeton
160. William J.R. Alexander, PhD
161. William Kininmonth Page on m.sc., Head of Australia’s National Climate Centre and a consultant to the World Meteorological organization’s Commission for Climatology
162. William Lindqvist, PhD
163. William N. Lipscomb, Nobel Prize Winner (Chemistry)
164. Willie Soon, astrophysicist Harvard
165. Yuan T. Lee, Nobel Prize (Chemistry)
166. Zbigniew Jaworowski, PhD
167. Karl Zeller
168. Zichichi, PhD