Dataset Information

Reducing the carbon footprint of diets across socio-demographic groups in Finland: a mathematical optimisation study.

ABSTRACT:

Objectives

To characterise nutritionally adequate, climate-friendly diets that are culturally acceptable across socio-demographic groups. To identify potential equity issues linked to more climate-friendly and nutritionally adequate dietary changes.

Design

An optimisation model minimises distance from observed diets subject to nutritional, greenhouse gas emissions (GHGE) and food-habit constraints. It is calibrated to socio-demographic groups differentiated by sex, education and income levels using dietary intake data. The environmental coefficients are derived from life cycle analysis and an environmentally extended input-output model.

Setting

Finland.

Participants

Adult population.

Results

Across all population groups, we find large synergies between improvements in nutritional adequacy and reductions in GHGE, set at one-third or half of the current level. Those reductions result mainly from the substitution of meat with cereals, potatoes and roots and the intra-category substitution of foods, such as beef with poultry in the meat category. The simulated more climate-friendly diets are thus flexitarian. Moving towards reduced-impact diets would not create major inadequacies related to protein and fatty acid intakes, but Fe could be an issue for pre-menopausal females. The initial socio-economic gradient in the GHGE of diets is small, and the patterns of adjustments to more climate-friendly diets are similar across socio-demographic groups.

Conclusions

A one-third reduction in GHGE of diets is achievable through moderate behavioural adjustments, but achieving larger reductions may be difficult. The required changes are similar across socio-demographic groups and do not raise equity issues. A population-wide policy to promote behavioural change for diet sustainability would be appropriate.

SUBMITTER: Irz X

PROVIDER: S-EPMC10993064 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature

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Publications

Reducing the carbon footprint of diets across socio-demographic groups in Finland: a mathematical optimisation study.

Irz Xavier X Tapanainen Heli H Saarinen Merja M Salminen Jani J Sares-Jäske Laura L Valsta Liisa M LM

Public health nutrition 20240304 1

<h4>Objectives</h4>To characterise nutritionally adequate, climate-friendly diets that are culturally acceptable across socio-demographic groups. To identify potential equity issues linked to more climate-friendly and nutritionally adequate dietary changes.<h4>Design</h4>An optimisation model minimises distance from observed diets subject to nutritional, greenhouse gas emissions (GHGE) and food-habit constraints. It is calibrated to socio-demographic groups differentiated by sex, education and i ...[more]

PMID: 38436089

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Dataset Information

Reducing the carbon footprint of diets across socio-demographic groups in Finland: a mathematical optimisation study.

Objectives

Design

Setting

Participants

Results

Conclusions

Publications

Reducing the carbon footprint of diets across socio-demographic groups in Finland: a mathematical optimisation study.

Similar Datasets

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