Summary
This modelling study examined how carbon pricing mechanisms applied to food commodities could simultaneously achieve climate mitigation and public health objectives. Using global food system models and health impact assessments, Springmann and colleagues simulated dietary responses to price changes across countries and food types, estimating both emissions reductions and health impacts. The research suggests that well-designed emissions pricing could drive dual environmental and nutritional benefits, although distributional effects across income groups and regions would require careful policy consideration.
UK applicability
The findings are relevant to UK food policy design, particularly regarding the potential use of carbon pricing or similar economic instruments to reduce agricultural emissions whilst supporting public health goals. However, application would need to account for UK-specific consumption patterns, supply chain structures, and distributional impacts on lower-income households.
Key measures
Greenhouse gas emissions reductions; changes in food consumption patterns by commodity and country; diet-related disease burden (disability-adjusted life years); health outcomes by income group and region
Outcomes reported
The study modelled the effects of emissions pricing applied to food commodities on agricultural greenhouse gas emissions, dietary consumption patterns, and population health outcomes across multiple countries. It quantified potential climate mitigation gains alongside public health impacts, including disease burden changes from dietary shifts.
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