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Modelling the drivers of a widespread shift to sustainable diets

Author

Listed:
  • Sibel Eker

    (International Institute for Applied Systems Analysis)

  • Gerhard Reese

    (University of Koblenz-Landau)

  • Michael Obersteiner

    (International Institute for Applied Systems Analysis)

Abstract

A reduction in global meat consumption can significantly reduce the adverse environmental effects of the food system, but it would require widespread dietary changes. Such shifts to sustainable diets depend on several behavioural factors that have not yet been addressed in relation to the food system. This study links a behavioural diet shift model to an integrated assessment model to identify the main drivers of global diet change and its implications for the food system. The results show that the social norm effect (for instance, the extent of vegetarianism in the population that accelerates a further switch to a vegetarian diet) and self-efficacy are the main drivers of widespread dietary changes. These findings stress the importance of value-driven actions motivated either by intrinsic identity or by group dynamics over health and climate risk perceptions in steering diet change dynamics.

Suggested Citation

  • Sibel Eker & Gerhard Reese & Michael Obersteiner, 2019. "Modelling the drivers of a widespread shift to sustainable diets," Nature Sustainability, Nature, vol. 2(8), pages 725-735, August.
    • Handle: RePEc:nat:natsus:v:2:y:2019:i:8:d:10.1038_s41893-019-0331-1
    DOI: 10.1038/s41893-019-0331-1
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    Citations

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    Cited by:

    1. Sibel Eker & Charlie Wilson & Niklas Hohne & Mark S. McCaffrey & Irene Monasterolo & Leila Niamir & Caroline Zimm, 2023. "A dynamic systems approach to harness the potential of social tipping," Papers 2309.14964, arXiv.org.
    2. Franco Donati & Arnold Tukker, 2022. "Environmental Pressures and Value Added Related to Imports and Exports of the Dutch Agricultural Sector," Sustainability, MDPI, vol. 14(10), pages 1-12, May.
    3. Kreft, Cordelia & Huber, Robert & Wuepper, David & Finger, Robert, 2021. "The role of non-cognitive skills in farmers' adoption of climate change mitigation measures," Ecological Economics, Elsevier, vol. 189(C).
    4. Bonnet, Céline & Bouamra-Mechemache, Zohra & Réquillart, Vincent & Treich, Nicolas, 2020. "Viewpoint: Regulating meat consumption to improve health, the environment and animal welfare," Food Policy, Elsevier, vol. 97(C).
    5. Birgit Kopainsky & Anita Frehner & Adrian Müller, 2020. "Sustainable and healthy diets: Synergies and trade‐offs in Switzerland," Systems Research and Behavioral Science, Wiley Blackwell, vol. 37(6), pages 908-927, November.
    6. Kristin Jürkenbeck & Achim Spiller, 2020. "Consumers’ Evaluation of Stockfree-Organic Agriculture—A Segmentation Approach," Sustainability, MDPI, vol. 12(10), pages 1-19, May.
    7. Payró, Clara & Taherzadeh, Oliver & van Oorschot, Mark & Koch, Julia & Koch, Julia & Marselis, Suzanne, 2023. "Consumer resistance diminishes environmental gains of dietary change," SocArXiv m98kr, Center for Open Science.
    8. Hirsch, Cornelius & Krisztin, Tamás & See, Linda, 2020. "Water Resources as Determinants for Foreign Direct Investments in Land - A Gravity Analysis of Foreign Land Acquisitions," Ecological Economics, Elsevier, vol. 170(C).
    9. Rachel Mazac & Hanna L. Tuomisto, 2020. "The Post-Anthropocene Diet: Navigating Future Diets for Sustainable Food Systems," Sustainability, MDPI, vol. 12(6), pages 1-15, March.
    10. Essakkat, Kaouter & Mattas, Konstandinos & Unay-Gailhard, Ilkay & Baourakis, George, 2021. "Youth’s potential of adopting the Mediterranean diet lifestyle in response to climate change: Empirical study in Crete, Greece," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 20(5), pages 85-95.
    11. Florian Kapmeier, 2020. "Reflections on developing a simulation model on sustainable and healthy diets for decision makers: Comment on the paper by Kopainsky," Systems Research and Behavioral Science, Wiley Blackwell, vol. 37(6), pages 928-935, November.
    12. Elliot, Thomas & Levasseur, Annie, 2022. "System dynamics life cycle-based carbon model for consumption changes in urban metabolism," Ecological Modelling, Elsevier, vol. 473(C).
    13. Xiaozhi Xiang & Li Peng & Yaxian Zhang, 2023. "Towards more sustainable diets: Insights from food production responses to diet transitions in China," Sustainable Development, John Wiley & Sons, Ltd., vol. 31(3), pages 1951-1964, June.
    14. Giacomo Falchetta & Nicolò Golinucci & Matteo Vincenzo Rocco, 2021. "Environmental and Energy Implications of Meat Consumption Pathways in Sub-Saharan Africa," Sustainability, MDPI, vol. 13(13), pages 1-22, June.

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