Enter a term in the search box to find its definition.
Settings
Use the controls in the far right panel to increase or decrease the number of terms automatically displayed (or to completely turn that feature off).
Term Lookup
Settings
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.
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.