Freudenburg & Muselli (2010)
Also: Freudenburg & Muselli 2010
Global warming estimates, media expectations, and the asymmetry of scientific challenge
Freudenburg, W. R., & Muselli, V. (2010). Global warming estimates, media expectations, and the asymmetry of scientific challenge. Global Environmental Change, 20(3), 483-491. Link to PDF
doi:10.1016/j.gloenvcha.2010.04.003
References
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.