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Studies in medieval philosophy, science, and logic: collected papers, 1933-1969 Ernest Addison Moody
This article lists living and deceased scientists who have made statements that conflict with the mainstream assessment of global warming as summarized by the Intergovernmental Panel on Climate Change and endorsed by other scientific bodies.
Climate scientists agree that the global average surface temperature has risen over the last century. The scientific consensus was summarized in the 2001 Third Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). The main conclusions relating directly to past and ongoing global warming about the scientific opinion on climate change were as follows:
- The global average surface temperature has risen 0.6 ± 0.2 °C since the late 19th century, and 0.17 °C per decade in the last 30 years.[1]
- "There is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities", in particular emissions of the greenhouse gases carbon dioxide and methane.[2]
- If greenhouse gas emissions continue the warming will also continue, with temperatures projected to increase by 1.4 °C to 5.8 °C between 1990 and 2100. Accompanying this temperature increase will be increases in some types of extreme weather and a projected sea level rise of 9 cm to 88 cm, excluding "uncertainty relating to ice dynamical changes in the West Antarctic ice sheet". On balance the impacts of global warming will be significantly negative, especially for larger values of warming.[3]
This article is an attempt to list scientists who have made statements in disagreement with one or more of the principal conclusions of the Third (or Fourth) Assessment Report of the IPCC. Inclusion is based on the following specific criteria:
- For the purposes of this list, qualification as a scientist is reached by publication of at least one peer-reviewed article in their lifetime in a broadly construed area of "natural sciences". The article need not have been written in recent years nor be in a field relevant to climate.
- Attributable statements of disagreement in any venue in the individual's own words (not merely inclusion on petitions, surveys, or lists).
Scientists are listed with a recent quote which is representative of their views on climate change. The quote does not necessarily give details of all the nuances of their views on climate change. More detail can usually be found in the main article for that scientist.