Las siguientes son organizaciones científicas que sostienen la posición de que el cambio climático ha sido causado por la acción humana:
- Academia Chilena de Ciencias, Chile
- Academia das Ciencias de Lisboa, Portugal
- Academia de Ciencias de la República Dominicana
- Academia de Ciencias Físicas, Matemáticas y Naturales de Venezuela
- Academia de Ciencias Medicas, Fisicas y Naturales de Guatemala
- Academia Mexicana de Ciencias,Mexico
- Academia Nacional de Ciencias de Bolivia
- Academia Nacional de Ciencias del Peru
- Académie des Sciences et Techniques du Sénégal
- Académie des Sciences, France
- Academies of Arts, Humanities and Sciences of Canada
- Academy of Athens
- Academy of Science of Mozambique
- Academy of Science of South Africa
- Academy of Sciences for the Developing World (TWAS)
- Academy of Sciences Malaysia
- Academy of Sciences of Moldova
- Academy of Sciences of the Czech Republic
- Academy of Sciences of the Islamic Republic of Iran
- Academy of Scientific Research and Technology, Egypt
- Academy of the Royal Society of New Zealand
- Accademia Nazionale dei Lincei, Italy
- Africa Centre for Climate and Earth Systems Science
- African Academy of Sciences
- Albanian Academy of Sciences
- Amazon Environmental Research Institute
- American Academy of Pediatrics
- American Anthropological Association
- American Association for the Advancement of Science
- American Association of State Climatologists (AASC)
- American Association of Wildlife Veterinarians
- American Astronomical Society
- American Chemical Society
- American College of Preventive Medicine
- American Fisheries Society
- American Geophysical Union
- American Institute of Biological Sciences
- American Institute of Physics
- American Meteorological Society
- American Physical Society
- American Public Health Association
- American Quaternary Association
- American Society for Microbiology
- American Society of Agronomy
- American Society of Civil Engineers
- American Society of Plant Biologists
- American Statistical Association
- Association of Ecosystem Research Centers
- Australian Academy of Science
- Australian Bureau of Meteorology
- Australian Coral Reef Society
- Australian Institute of Marine Science
- Australian Institute of Physics
- Australian Marine Sciences Association
- Australian Medical Association
- Australian Meteorological and Oceanographic Society
- Bangladesh Academy of Sciences
- Botanical Society of America
- Brazilian Academy of Sciences
- British Antarctic Survey
- Bulgarian Academy of Sciences
- California Academy of Sciences
- Cameroon Academy of Sciences
- Canadian Association of Physicists
- Canadian Foundation for Climate and Atmospheric Sciences
- Canadian Geophysical Union
- Canadian Meteorological and Oceanographic Society
- Canadian Society of Soil Science
- Canadian Society of Zoologists
- Caribbean Academy of Sciences views
- Center for International Forestry Research
- Chinese Academy of Sciences
- Colombian Academy of Exact, Physical and Natural Sciences
- Commonwealth Scientific and Industrial Research Organization (CSIRO) (Australia)
- Consultative Group on International Agricultural Research
- Croatian Academy of Arts and Sciences
- Crop Science Society of America
- Cuban Academy of Sciences
- Delegation of the Finnish Academies of Science and Letters
- Ecological Society of America
- Ecological Society of Australia
- Environmental Protection Agency
- European Academy of Sciences and Arts
- European Federation of Geologists
- European Geosciences Union
- European Physical Society
- European Science Foundation
- Federation of American Scientists
- French Academy of Sciences
- Geological Society of America
- Geological Society of Australia
- Geological Society of London
- Georgian Academy of Sciences
- German Academy of Natural Scientists Leopoldina
- Ghana Academy of Arts and Sciences
- Indian National Science Academy
- Indonesian Academy of Sciences
- Institute of Ecology and Environmental Management
- Institute of Marine Engineering, Science and Technology
- Institute of Professional Engineers New Zealand
- Institution of Mechanical Engineers, UK
- InterAcademy Council
- International Alliance of Research Universities
- International Arctic Science Committee
- International Association for Great Lakes Research
- International Council for Science
- International Council of Academies of Engineering and Technological Sciences
- International Research Institute for Climate and Society
- International Union for Quaternary Research
- International Union of Geodesy and Geophysics
- International Union of Pure and Applied Physics
- Islamic World Academy of Sciences
- Israel Academy of Sciences and Humanities
- Kenya National Academy of Sciences
- Korean Academy of Science and Technology
- Kosovo Academy of Sciences and Arts
- l’Académie des Sciences et Techniques du Sénégal
- Latin American Academy of Sciences
- Latvian Academy of Sciences
- Lithuanian Academy of Sciences
- Madagascar National Academy of Arts, Letters, and Sciences
- Mauritius Academy of Science and Technology
- Montenegrin Academy of Sciences and Arts
- National Academy of Exact, Physical and Natural Sciences, Argentina
- National Academy of Sciences of Armenia
- National Academy of Sciences of the Kyrgyz Republic
- National Academy of Sciences, Sri Lanka
- National Academy of Sciences, United States of America
- National Aeronautics and Space Administration
- National Association of Geoscience Teachers
- National Association of State Foresters
- National Center for Atmospheric Research
- National Council of Engineers Australia
- National Institute of Water & Atmospheric Research, New Zealand
- National Oceanic and Atmospheric Administration
- National Research Council
- National Science Foundation
- Natural England
- Natural Environment Research Council, UK
- Natural Science Collections Alliance
- Network of African Science Academies
- New York Academy of Sciences
- Nicaraguan Academy of Sciences
- Nigerian Academy of Sciences
- Norwegian Academy of Sciences and Letters
- Oklahoma Climatological Survey
- Organization of Biological Field Stations
- Pakistan Academy of Sciences
- Palestine Academy for Science and Technology
- Pew Center on Global Climate Change
- Polish Academy of Sciences
- Romanian Academy
- Royal Academies for Science and the Arts of Belgium
- Royal Academy of Exact, Physical and Natural Sciences of Spain
- Royal Astronomical Society, UK
- Royal Danish Academy of Sciences and Letters
- Royal Irish Academy
- Royal Meteorological Society (UK)
- Royal Netherlands Academy of Arts and Sciences
- Royal Netherlands Institute for Sea Research
- Royal Scientific Society of Jordan
- Royal Society of Canada
- Royal Society of Chemistry, UK
- Royal Society of the United Kingdom
- Royal Swedish Academy of Sciences
- Russian Academy of Sciences
- Science and Technology, Australia
- Science Council of Japan
- Scientific Committee on Antarctic Research
- Scientific Committee on Solar-Terrestrial Physics
- Scripps Institution of Oceanography
- Serbian Academy of Sciences and Arts
- Slovak Academy of Sciences
- Slovenian Academy of Sciences and Arts
- Society for Ecological Restoration International
- Society for Industrial and Applied Mathematics
- Society of American Foresters
- Society of Biology (UK)
- Society of Systematic Biologists
- Soil Science Society of America
- Sudan Academy of Sciences
- Sudanese National Academy of Science
- Tanzania Academy of Sciences
- The Wildlife Society (international)
- Turkish Academy of Sciences
- Uganda National Academy of Sciences
- Union of German Academies of Sciences and Humanities
- United Nations Intergovernmental Panel on Climate Change
- University Corporation for Atmospheric Research
- Woods Hole Oceanographic Institution
- Woods Hole Research Center
- World Association of Zoos and Aquariums
- World Federation of Public Health Associations
- World Forestry Congress
- World Health Organization
- World Meteorological Organization
- Zambia Academy of Sciences
- Zimbabwe Academy of Sciences
Científicos cuestionan la precisión de las proyecciones climáticas del IPCC
Estos científicos han dicho que no es posible proyectar el clima global con la precisión suficiente para justificar los rangos proyectados para el aumento de la temperatura y el nivel del mar durante el siglo XXI. Es posible que no concluyan específicamente que las proyecciones actuales del IPCC son demasiado altas o demasiado bajas, pero es probable que las proyecciones sean inexactas debido a las deficiencias de los modelos climáticos globales actuales.
- David Bellamy , botánico.
- Lennart Bengtsson , meteorólogo, Universidad de Reading .
- Piers Corbyn , propietario de la empresa WeatherAction que hace pronósticos del tiempo.
- Susan Crockford , zoóloga, profesora adjunta de antropología en la Universidad de Victoria.
- Judith Curry , profesora y ex presidenta de la Escuela de Ciencias de la Tierra y la Atmósfera del Instituto de Tecnología de Georgia .
- Robert E. Davis , profesor de ciencias ambientales en la Universidad de Virginia.
- Joseph D’Aleo , ex presidente del Comité de análisis y pronóstico del tiempo de la Sociedad Meteorológica Americana, ex profesor de meteorología, Lyndon State College.
- Freeman Dyson , profesor emérito de la Escuela de Ciencias Naturales, Instituto de Estudios Avanzados ; Fellow de la Royal Society .
- Ivar Giaever , físico noruego-estadounidense y premio Nobel de física (1973).
- Steven E. Koonin , físico teórico y director del Centro para la Ciencia Urbana y el Progreso de la Universidad de Nueva York.
- Richard Lindzen , profesor emérito de ciencias atmosféricas Alfred P. Sloan en el Instituto de Tecnología de Massachusetts y miembro de la Academia Nacional de Ciencias .
- Craig Loehle , ecólogo y científico jefe del Consejo Nacional para la Mejora del Aire y la Corriente.
- Ross McKitrick , profesor de economía y presidente de CBE en comercio sostenible, Universidad de Guelph .
- Patrick Moore , ex presidente de Greenpeace Canadá.
- Nils-Axel Mörner , jefe retirado del Departamento de Paleogeofísica y Geodinámica de la Universidad de Estocolmo , ex presidente de la Comisión INQUA sobre Cambios en el Nivel del Mar y Evolución de las Costas (1999-2003).
- Garth Paltridge , científico investigador principal retirado, División de Investigación Atmosférica de CSIRO y director retirado del Instituto del Centro de Investigación Cooperativa Antártica, visitando la Universidad Nacional Australiana .
- Roger A. Pielke, Jr. , director del Centro de Gobernabilidad Deportiva del Departamento de Atletismo del Centro de Investigación de Políticas de Ciencia y Tecnología de la Universidad de Colorado en Boulder .
- Denis Rancourt , ex profesor de física en la Universidad de Ottawa , científico investigador en física de la materia condensada y en ciencias ambientales y del suelo.
- Harrison Schmitt , geólogo, astronauta del Apolo 17, ex senador estadounidense.
- Peter Stilbs , profesor de química física en el Instituto Real de Tecnología de Estocolmo.
- Philip Stott , profesor emérito de biogeografía en la Universidad de Londres .
- Hendrik Tennekes , director de investigación retirado del Real Instituto Meteorológico de los Países Bajos.
- Anastasios Tsonis , distinguido profesor de ciencias atmosféricas en la Universidad de Wisconsin-Milwaukee .
- Fritz Vahrenholt , político alemán y ejecutivo de la energía con un doctorado en química.
Fuente: Wikipedia