A worldwide shift from current diets to the planetary health diet proposed by the EAT–Lancet Commission would have direct implications for agricultural greenhouse gas (GHG) emissions. By modelling the trajectory of food from cradle to farm gate while accounting for international trade, we estimate that agricultural GHG emissions would decrease in 101 countries as well as globally. Yet, in primarily low- and middle-income countries, agricultural GHG emissions would increase by 12–283%. Country-specific impacts of dietary transitions should be considered in climate change mitigation policy.
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Python scripts used for modelling GHG emissions are available from M.W.B. upon reasonable request (e-mail: email@example.com).
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This work was supported by the Santa Barbara Foundation (https://www.sbfoundation.org/). The funders had no role in preparing, reviewing or editing the manuscript.
The authors declare no competing interests.
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Composition of the planetary health diet for an intake of 2,500 kcal d−1.
Adoption of the planetary health diet and per capita GHG emission in 151 countries and territories with overweight and stunting prevalence in each country.
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Semba, R.D., de Pee, S., Kim, B. et al. Adoption of the ‘planetary health diet’ has different impacts on countries’ greenhouse gas emissions. Nat Food 1, 481–484 (2020). https://doi.org/10.1038/s43016-020-0128-4
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