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July 28, 2025

Mapping high-impact groups across dietary sustainability and nutrition

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Authors

HCHongyi CaiOTOliver TaherzadehASArthur Schoorlemmer

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Overview

Model reveals dietary footprints among socio-demographic subgroups, highlighting high-emission and vulnerable groups.

Key Points

  • Highly educated urban males aged 15–34 have the highest dietary emissions at 3.97 kg CO₂-eq/2,000 kcal.
  • Low education rural females aged 35–54 show the lowest emissions, at 2.39 kg CO₂-eq/2,000 kcal.
  • Each 5% increase in the Alternative Healthy Eating Index correlates with an 8.6% reduction in GHG emissions.
  • Micro-level intake data can inform equitable policies targeting high-emission groups and supporting vulnerable populations.

Cite This Study

Cai et al. (2025) studied this question.

synapsesocial.com/papers/689a0939e6551bb0af8ce888https://doi.org/10.21203/rs.3.rs-7188924/v1
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