Berners-Lee et al. (2012)
Also: Berners-Lee et al. 2012
The relative greenhouse gas impacts of realistic dietary choices
Berners-Lee, M., Hoolohan, C., Cammack, H., Hewitt, CN. (2012). The relative greenhouse gas impacts of realistic dietary choices. Energy Policy, 43, 184-190. [link to PDF]
https://doi.org/10.1016/j.enpol.2011.12.054
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.