Ambitious food system interventions required to mitigate the risk of exceeding Earth's environmental limits

Michalis Hadjikakou*, Nicholas I. Bowles, Ozge Geyik, Sjaak J.G. Conijn, José M. Mogollón, Benjamin L. Bodirsky, Adrian Muller, Isabelle Weindl, Enayat A. Moallemi, Mohammad A. Shaikh, Kerstin Damerau, Kyle F. Davis, Stephan Pfister, Marco Springmann, Michael Clark, Geneviève S. Metson, Elin Röös, Bojana Bajzelj, Neal T. Graham, Dominik WisserJonathan C. Doelman, Andre Deppermann, Michaela C. Theurl, Prajal Pradhan, Miodrag Stevanović, Christian Lauk, Jinfeng Chang, Vera Heck, Ertug Ercin, Liqing Peng, Nathaniel P. Springer, Alexander F. Bouwman, Tiago G. Morais, Hugo Valin, Daniel Mason-D'Croz, Karl Heinz Erb, Alexander Popp, Mario Herrero, Patrice Dumas, Xin Zhang, Brett A. Bryan

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Transforming the global food system is essential to avoid exceeding Earth's environmental limits. A robust evidence base is crucial to assess the scale and combination of interventions required for a sustainable transformation. We developed a risk assessment framework, underpinned by an evidence synthesis of global food system modeling studies, to quantify the potential of individual and combined interventions to mitigate the risk of exceeding global environmental limits for agricultural area, greenhouse gas (GHG) emissions, surface water flows, and nutrient cycles by 2050. GHG emissions and nutrient cycles are the most difficult limits to avoid exceeding and are conditional on shifts toward diets with a low proportion of animal-source foods; steep reductions in emissions intensity; substantial improvements in nutrient management, feed-conversion ratios, and crop yields; and efforts to limit overconsumption and food waste. Ambitious actions across the global food system are needed to ensure the required level of risk mitigation.

Original languageEnglish
Article number101351
Pages (from-to)101351
JournalOne Earth
Volume8
Issue number9
Early online date1 Jul 2025
DOIs
Publication statusPublished - 2025

Keywords

  • Earth-system boundaries
  • environmental limits
  • food system intervention
  • meta-analysis
  • meta-regression
  • planetary boundaries
  • risk assessment
  • scenario analysis
  • sustainable agriculture
  • sustainable diet

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