Greenhouse gas emissions and energy use associated with production of individual self-selected US diets

Environmental Research Letters : ERL [Web Site]
Martin C HellerDonald Rose

Abstract

Human food systems are a key contributor to climate change and other environmental concerns. While the environmental impacts of diets have been evaluated at the aggregate level, few studies, and none for the US, have focused on individual self-selected diets. Such work is essential for estimating a distribution of impacts, which, in turn, is key to recommending policies for driving consumer demand towards lower environmental impacts. To estimate the impact of US dietary choices on greenhouse gas emissions (GHGE) and energy demand, we built a food impacts database from an exhaustive review of food life cycle assessment (LCA) studies and linked it to over 6000 as-consumed foods and dishes from 1 day dietary recall data on adults (N = 16 800) in the nationally representative 2005-2010 National Health and Nutrition Examination Survey. Food production impacts of US self-selected diets averaged 4.7 kg CO2 eq. person-1 day-1 (95% CI: 4.6-4.8) and 25.2 MJ non-renewable energy demand person-1 day-1 (95% CI: 24.6-25.8). As has been observed previously, meats and dairy contribute the most to GHGE and energy demand of US diets; however, beverages also emerge in this study as a notable contributor. Although linking impacts to diets required...Continue Reading

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Citations

Jan 31, 2019·The American Journal of Clinical Nutrition·Donald RoseRobert J Meyer
Dec 21, 2019·Obesity·Faidon MagkosArne Astrup
Mar 28, 2020·Environmental Science and Pollution Research International·Ting YueJunli Liu
Jun 7, 2020·Current Nutrition Reports·Nanna L MeyerThomas Nemecek
Apr 12, 2020·European Journal of Nutrition·Bradley G RidouttGilly A Hendrie
Feb 28, 2021·Environmental Science and Pollution Research International·Soraya PazArturo Hardisson
Feb 14, 2020·The Science of the Total Environment·Quentin D ReadMary K Muth
Apr 16, 2020·Journal of Environmental Management·Tao DaiAaron P Wemhoff
Dec 20, 2018·Environmental Science & Technology·Brent R Heard, Shelie A Miller
Aug 23, 2021·The Science of the Total Environment·Ezequiel M ArrietaAlejandro D González
Oct 16, 2021·The Science of the Total Environment·Cristina Cambeses-FrancoMaría Teresa Moreira
Nov 4, 2021·Environmental Science & Technology·Li SongTing Zhu
Nov 9, 2021·The Science of the Total Environment·Juliana Minetto Gellert ParisNeus Escobar
Jan 14, 2022·The American Journal of Clinical Nutrition·Donald RoseMartin C Heller

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