List Of Scientists Opposing The Mainstream Scientific Assessment Of Global Warming
This is a list of notable scientists who have made statements that conflict with the mainstream scientific understanding of global warming as summarized by the Intergovernmental Panel on Climate Change and endorsed by other scientific bodies.
Establishing the mainstream scientific assessment, climate scientists agree that the global average surface temperature has risen over the last century. The scientific consensus and scientific opinion on climate change were summarized in the 2001 Third Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). The main conclusions on global warming 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.
- "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.
- 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. The balance of impacts of global warming become significantly negative at larger values of warming.
These findings are recognized by the national science academies of all the major industrialized nations.
Listing criteria: The scientists listed in this article have made statements since the publication of the Third Assessment Report which disagree with one or more of these 3 main conclusions. Each scientist included in this list has published at least one peer-reviewed article in the broad field of natural sciences, although not necessarily in a field relevant to climatology. To be included on this list it is not enough for a scientist to be merely included on a petition, survey, or list. Instead, the scientist must make their own statement.
As of August 2012 less than 10 of the statements in the references for this list are part of the peer-reviewed scientific literature. The rest are statements from other sources such as interviews, opinion pieces, online essays and presentations. Academic papers almost never reject the view that human impacts have contributed to climate change. In 2004, a review of published abstracts from 928 peer-reviewed papers addressing "global climate change" found that none of them disputed the IPCC's conclusion that "Earth's climate is being affected by human activities" and that "'most of the observed warming over the last 50 years is likely to have been due to the increase in greenhouse gas concentrations'" (see also Scientific opinion on climate change and Surveys of scientists' views on climate change).
Read more about List Of Scientists Opposing The Mainstream Scientific Assessment Of Global Warming: Scientists Questioning The Accuracy of IPCC Climate Projections, Scientists Arguing That Global Warming Is Primarily Caused By Natural Processes, Scientists Arguing That The Cause of Global Warming Is Unknown, Scientists Arguing That Global Warming Will Have Few Negative Consequences
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