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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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The Consensus Project

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About Support

	Climate's changed before
	It's the sun
	It's not bad
	There is no consensus
	It's cooling
	Models are unreliable
	Temp record is unreliable
	Animals and plants can adapt
	It hasn't warmed since 1998
	Antarctica is gaining ice
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The consensus gap

Public perception (55%) comes from a survey conducted by John Cook on a representative USA sample, asking the question "How many climate experts agree that the global warming we are witnessing is a direct consequence of the burning of fossil fuels by humans?" Participants were requested through professional survey firm Qualtrics.

Statistic of 97% climate scientists agreeing on human-caused global warming comes from Doran & Zimmermann (2009), Anderegg et al. (2010) and Cook et al. (2013).