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Modelling the cost–nutrition–emission trade-offs in the UK’s transition to sustainable diets.

Number: 18383

Author(s) : NASEH-MOGHANLOU L., EVANS J., FOSTER A., WANG X.

Summary

Transitioning to sustainable diets is critical for mitigating climate change, but such diets must also be nutritionally adequate and economically accessible to enable widespread and equitable adoption. This study extends our previous framework, which combined system dynamics modelling and linear programming (LP) to project reductions in greenhouse gas (GHG)-intensive food consumption, specifically meat and poultry, and optimise their substitution with alternative proteins. In this extended model, we incorporate food price data from the UK’s Office for National Statistics and major supermarkets, along with detailed nutrient composition data, into the LP optimisation. The updated model simultaneously minimizes GHG emissions and dietary cost, while ensuring nutritional adequacy and affordability across income groups in the UK. Findings provide policy-relevant insights into the cost–nutrition–emissions trade-offs inherent in dietary transitions, offering a pathway for designing realistic and inclusive sustainable diets aligned with both environmental goals and social equity.

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Pages: 16 p.

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Details

  • Original title: Modelling the cost–nutrition–emission trade-offs in the UK’s transition to sustainable diets.
  • Record ID : 30034752
  • Languages: English
  • Subject: Figures, economy
  • Source: 9th IIR International Conference on Sustainability and the Cold Chain. Proceedings: April 12-14 2026
  • Publication date: 2026/04
  • DOI: http://dx.doi.org/10.18462/iir.iccc.2026.8383

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