There is no climate emergency

 A global network of 700 scientists and professionals has prepared this urgent message. Climate science should be less political, while climate policies should be more scientific. Scientists should openly address uncertainties and exaggerations in their predictions of global warming, while politicians should dispassionately count the real costs as well as the imagined benefits of their policy measures.

Natural as well as anthropogenic factors cause warming

The geological archive reveals that Earth’s climate has varied as long as the planet has existed, with natural cold and warm phases. The Little Ice Age ended as recently as 1850. Therefore, it is no surprise that we now are experiencing a period of warming.

Warming is far slower than predicted

The world has warmed significantly less than predicted by IPCC on the basis of modeled anthropogenic forcing. The gap between the real world and the modeled world tells us that we are far from understanding climate change.

Climate policy relies on inadequate models

Climate models have many shortcomings and are not remotely plausible as global policy tools. They blow up the effect of greenhouse gases such as CO2. In addition, they ignore the fact that enriching the atmosphere with CO2 is beneficial.

CO2 is plant food, the basis of all life on Earth

CO2 is not a pollutant. It is essential to all life on Earth. Photosynthesis is a blessing. More CO2 is beneficial for nature, greening the Earth: additional CO2 in the air has promoted growth in global plant biomass. It is also good for agriculture, increasing the yields of crops worldwide.

Global warming has not increased natural disasters

There is no statistical evidence that global warming is intensifying hurricanes, floods, droughts and suchlike natural disasters, or making them more frequent. However, there is ample evidence that CO2-mitigation measures are as damaging as they are costly.

Climate policy must respect scientific and economic realities

There is no climate emergency. Therefore, there is no cause for panic and alarm. We strongly oppose the harmful and unrealistic net-zero CO2 policy proposed for 2050. If better approaches emerge, and they certainly will, we have ample time to reflect and re-adapt. The aim of global policy should be ‘prosperity for all’ by providing reliable and affordable energy at all times. In a prosperous society men and women are well educated, birthrates are low and people care about their environment.


1. Richard Lindzen, Emeritus Professor Atmospheres, Oceans and Climate, MIT; WCD Ambassador
2. Ralph B. Alexander, Emeritus Professor of Physics, Science Writer
3. Anthony J. Armini, Retired Founder and CEO Implant Sciences Corp.
4. Dr. Malgorzata Askanas, Senior R&D Associate at the Aurora Biophysics Research Institute
5. Hans-Peter Bähr, Emeritus Professor of Pharmacology, Canada and Former Dean of Basic Medical Sciences, American University of Barbados, Barbados
6. James R. Barrante, Emeritus Professor of Physical Chemistry, Passed away recently
7. Charles G. Battig, Climate Adviser, Heartland Institute
8. Larry Bell, Endowed Professor of Space Architecture, University of Houston
9. David J. Benard, Chemical Physicist & Co-inventor of the Oxygen-iodine Chemical Laser
10. Edward X. Berry PhD, Atmospheric Physicist, American Meteorological Society, Author, Climate Physics LLC
11. Jared L. Black, Numerical Analysis Consultant, ScD
12. Elliott D. Bloom, Emeritus Professor of Particle Physics and Astrophysics, KIPAC-SLAG, Stanford University
13. David Boleneus, Professional Geologist
14. Daniel Botkin, Emeritus Professor of Biology, Climate Researcher, Author of the Book: Twenty-five Myths That Are Destroying the Environment
15. Robert L. Bradley jr., CEO and Founder of the Institute for Energy Research
16. James W. Buell PhD, Aquatic Biologist, Consultant
17. Dr. H. Sterling Burnett PhD, Applied Philosophy with a specialization in Environmental Ethics, past Senior Fellow of the National Center for Policy Analysis, now Senior Fellow Heartland Institute
18. David Burton, System and Computer Scientist, Expert Reviewer of AR5 and AR6, Member of the CO2 Coalition, and Creator of the website
19. Sharon R. Camp PhD, Retired Analytical Chemist and Environmental Scientist
20. Nick Capaldi PhD, Author Books on Logic, the Scientific Method and the Philosophy of Science
21. Roy Clark, Climate Researcher, Retired Engineer, California
22. Sabin W. Colton PhD, Biochemist and Marine Biologist
23. Martin Cornell, Retired Senior Scientist, Dow Chemical Company
24. Joseph S. D’aleo, Professor of Meteorology and Climatology at Lyndon Stage College, Founder of, First Director of meteorology of the Weather Channel
25. Raphael D’Alonzo, Analytical Chemist, Retired Associate Director, the Proctor & Gamble Company
26. George Davey, Physicist, University of Iowa
27. Don Dears, Retired Senior Executive GE Company, BS Engineering from United States Merchant Marine Academy
28. James DeMeo PhD, Retired Expert in Earth and Atmospheric Science, Oregon
29. David Deming, Professor of Arts & Sciences, University of Oklahoma
30. Harold H. Doiron, Retired NASA Engineer, Passed away recently
31. Mohan Doss, Professor, Fox Chace Cancer Center, Philadelphia, One of the Founding Members of SARI.
32. Jack D. Downing, Geologist and Geophysicist
33. Paul Driessen, Senior Policy Advisor, Committee for a Constructive Tomorrow (CFACT) and Congress of Racial Equality (CORE)
34. John Droz jr., Physicist, Founder of AWED Alliance
35. John Dale Dunn MD, JD, Lecturer Carl R. Darnall Army Medical Center, Fort Hood, Texas
36. Freeman Dyson, Emeritus Professor Natural Sciences, Institute of Advanced Study, Princeton University, Passed away 28 February 2020
37. Vincent Esposito, Adjunct Professor University of Pittsburg, PA, Doctor of Science in Nuclear Engineering (Un. FoViginia), Retired Manager fromWestinghouse Electric Company
38. Peter Farrell, Fellow of the US National Academy of Engineering
39. Rex Fleming, Research Scientist, Author of Book on Carbon Dioxide Fallacy, Retired President Global Aerospace
40. Jim Folcik, Geosciences Manager Extraction Oil & Gas
41. Patrick Frank PhD, SLAC National Accelerator Laboratory, Stanford University
42. Gordon J. Fulks, Astrophysicist, Board of Directors CO2 Coalition, Co-founder Global Warming Realists
43. Terry Gannon, Physicist, Retired Semiconductor Executive
44. Nicholas De Gennaro PhD, PE, Coastal Engineer, Southport North Carolina
45. Ulrich H. Gerlach, Professor of Mathematics, Ohio State University
46. Ivar Giaever, Nobel Laureate Professor, Nobel Prize Winner in Physics, Emeritus Professor of the Rensselaer Polytechnic Institute, Chief Technology Officer of Applied Biophysics Inc., Fellow of the American Physical Society; Honorary WCD Ambassador
47. Steve Goreham, Executive Director, Climate Science Coalition of America
48. Laurence I. Gould, Professor of Physics, University of Hartford, Past Chair, New England Section of the American Physical Society
49. Mike Gruntman, Professor of Astronautics, Space Physics and Space Technology, Space and Rocket History University of Southern California
50. Lyle W. Hancock, Professional Mathematician
51. Bryan Haycock PhD, Adjunct Faculty at a University in the state of Utah
52. Howard C. Hayden, Emeritus Professor of Physics, University of Connecticut
53. David Heald, Retired Electrical Engineer
54. Oliver Hemmers, Retired Executive Director of the Harry Reid Center at the University of Nevada, Las Vegas
55. Gary L. Hoe P.E., Retired Colonel USAF, Technical Director of several Nuclear Weapon Effects Tests at the Nevada Test Site, Member Scientists for Accurate Radiation Information (SARI)
56. Jim Hollingworth, Social Scientist, Book: ‘Climate Change: A Convenient Truth’
57. Dr. Gary M. Hoover, Geophysicist, Lifetime Experience in the Geo-Energy Industry, Retired Member Board of Directors Geo-Service Company
58. Edward Huff PhD, Retired NASA Senior Scientist
59. Kathryn E. Kelly, President Delta Toxicology
60. Hugh Kendrick PhD, Retired Director Plans and Analysis, Office of Nuclear Reactor Research, US Dept. of Energy, Fellow American Physical Society
61. Stephen C. Knowles, Marine Scientist and Geologist, Beacon, New York
62. Wayne P. Kraus, Member American Institute of Chemical Engineers (AIChE)
63. Jay Lehr PhD, Senior Policy Analyst for the International Climate Science Coalition, Former Science Director of the Heartland Institute
64. David P. Lentini, Chemist and Patent Attorney, New Hampshire
65. Howard R. Lowe, Prof. Eng., Geologist
66. Jeffrey Mahn, Retired Nuclear Engineer Sandia National Laboratories (New Mexico), Member Scientists for Accurate Radiation Information (SARI), Member Nuclear Society (ANS)
67. Matt Malkan PhD, Distinguished Professor of Physics and Astronomy, UCLA
68. James A. Marsh, Emeritus Professor of Immunology, Cornell University, Dept. of Microbiology and Immunology
69. Andy May, Writer and Retired Petrophysicist
70. Gene McCall, Consultant to the Defense Science Board, Former Consultant to the Department of Energy on Issues related to Inertial Fusion, Former Member and Chairman of the USAF SAB, Former Member of the Senior Review Group to the Defense Airborne, Airborne Reconnaissance Office (DARO) and Former Chairman of the Technology Assistance panel fir DARO
71. Craig McCluskey PhD, Physics
72. Richard McFarland, Retired NASA Physicist
73. Mark Meier PhD, Professor of Physics, University of Houston
74. Samuel Melfi, Emeritus Professor of Physics, UMBC, Retired NASA Scientist
75. Kenneth Melvin MD, Retired Professor of Medicine, Portland, Oregon
76. Patrick J. Michaels, Competitive Enterprise Institute, Washington DC
77. Ference M. Miskolczi, Retired NASA/AS&M Senior Scientist, Foreign Associate Member of the Hungarian Academy of Sciences
78. James Moore, Commercial Fisherman, President Alaska Trawlers Association, Executive Committee Northern Southeast Regional Aquaculture Association, Board member Amstrong Keta Inc.
79. Daniel W. Nebert, Professor Emeritus, Department of Environmental Medicine and Center for Environmental Genetics, University of Cincinnati
80. Ned Nikolov PhD, Physical Scientist at the USFS Rocky Mountain Research Station in Fort Collins CO, Managing a Fire-Weather Intelligence Project
81. Thomas O’Connor, Member American Association of Petroleum Geologists, Washington
82. Kenton Oma, Retired PE Chemical Engineer, Environmental Engineering, Environmental Consultant, R&D at DOE Nuclear Facility
83. Trueman D. Parish, Retired Director of Engineering Research Eastman Chemical Company
84. Arvid Pasto PhD, Ceramics, Retired from the Oak Ridge National Laboratory, TN
85. Charles W. Pennington, Senior Vice President of Engineering NAC International (Retired), Secretary, XLNT Foundation, Board of Directors
86. Jeffrey S. Philbin, Retired Nuclear Engineer Sandia National Laboratories (New Mexico), Independent Consultant in Nuclear Facility Design and Safety Analysis, Nuclear Criticality Safety and Weapon Response
87. James M. Policelli, Registered Professional Engineer
88. Herman A. Pope, Retired Aerospace Engineer NASA-JSC
89. Willem Post, Independent Researcher regarding Energy and Environment
90. Kenneth L. Purdy, Management Consultant, Retired Naval Officer in Operational Intelligence
91. Forrest J. Remick, Emeritus Professor of Nuclear Engineering, Emeritus Assoc. VP for Research at the Pennsylvania State University, Retired Commissioner, US Nuclear Regulatory Commission
92. Phil Robinson, Retired Chemist in the Aluminium and Steel Industry
93. James H. Rust, Emeritus Professor of Nuclear Engineering, Georgia Institute of Technology
94. Charles L. Sanders, Retired Radiobiologist, Author of Radiobiology and Radiation Hormesis: New Evidence and Its Implications for Medicine and Society (Springer)
95. Rick Sanders M.A., Scientists for Accuracy in Radiation Information (SARI), Associate Editor, 21st Century Science and Technology Magazine
96. John A. Shanahan, Civil Engineer with career in Nuclear Power, Public Education about Fossil Fuels (including question of man-made Global Warming) and Nuclear Power through website:
97. Dr. Thomas P. Sheahen, Chairman, Science & Environmental Policy Project
98. John Shewchuk, Meteorologist (CCM) and Atmospheric Researcher
99. Robert P. Smith PhD, P.E., Environmental Scientist and Professional Engineer
100. Willie Soon, Independent Scientist
101. Walter Starck PhD, Marine Science, Pioneer in Coral Reef Studies, Policy Advisor to The Heartland Institute
102. Jim Steele, Emeritus Director Sierra Nevada Field Campus, San Francisco State University
103. Ronald Stein, Professional Engineer
104. Gerald M. Sulzer, MS Chemical Engineer, Retired Director of Technology, Albemarle Corporation
105. Tomer D. Tamarkin, Physicist, Founder and President/CEO of Energycite Inc., President and Chairman of ClimateCite Inc.
106. Paul Taylor, Energy Economist, Recipient Rossitor Raymond Award, Golden Colorado
107. David E. Thompson, Professor Emeritus Mechanical Engineering and Computer Science, Dean Emeritus College of Engineering, University of Idaho
108. Cecil Joe Tomlinson, Retired Boeing Senior Principle Engineer
109. Kip Trout, Lecturer in Physics, The Pennsylvania State University – York Campus
110. Richard Trzupek, Chemist and Air Quality Expert
111. Waheed Uddin, Professor of Engineering Science, University of Mississippi, Expert in Climate Modeling, Former Advisor UN
112. William B. Walters, Guggenheim Fellow, Professor of Atmospheric, Nuclear and Environmental Chemistry, University of Maryland
113. James Wanliss, Professor of Physics, Presbyterian College
114. Steven E. Weismantel, Retired Engineer and Climate Researcher
115. Chuck F. Wiese, Professional Meteorologist
116. David Wojick, Cognitive Scientist
117. Gregory R. Wrightstone, Expert Reviewer IPCC, Geologist, Author, Member CO2 Coalition
118. Thomas Wysmuller, Retired NASA Executive
119. Bob Zybach, Program Manager, Oregon Websites and Watersheds Project Inc.