Scarborough et al. (2014)
Also: Scarborough et al. 2014
Dietary greenhouse gas emissions of meat-eaters, fish-eaters, vegetarians and vegans in the UK
Scarborough, P., Appleby, PN., Mizdrak, A., Briggs, ADM., Travis, RC., et al. (2014). Dietary greenhouse gas emissions of meat-eaters, fish-eaters, vegetarians and vegans in the UK. Climate Change, 125, 179-192. [link to paper]
doi: 10.1007/s10584-014-1169-1
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.