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Dietary climate impact: Contribution of foods and dietary patterns by gender and age in a Swedish population
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0000-0002-0522-3591
Karolinska Institute, Sweden.
Karolinska Institute, Sweden.
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0000-0003-3626-8407
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2021 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 306, article id 127189Article in journal (Refereed) Published
Abstract [en]

Dietary climate impact in a Swedish population (56–95 years old) was estimated based on self-reported food intake from 50 000 men and women within two population-based cohorts and on climate data, covering emissions from farm to fork, for 600 foods representative for the Swedish market. Aims were to assess variation in dietary climate impact between population groups and between food categories. Mean dietary climate impact was 2.0 tons of CO2e/person/year, with about a threefold variation between high and low impact individuals. Food loss and waste accounted for 18%. Older individuals and women on average had lower total dietary climate impact per year, while differences between gender were smaller per 1000 kcal. Climate impact was greatly affected by dietary composition and especially by the content of animal-based and discretionary foods, responsible for 71% and 12% of total climate impact, respectively. Results indicate a large potential for reduced climate impact by adopting realistic dietary patterns. Suggested strategies to reach climate goals include reduction of red meat and prioritising lower impact foods within meat, dairy and seafood categories, limited consumption of discretionary foods and decreased over-consumption of total calories, combined with improvements in production including reduction of food loss and waste.

Place, publisher, year, edition, pages
2021. Vol. 306, article id 127189
Keywords [en]
Diet, Food, Climate, Life cycle assessment, Gender, Age, Food waste
National Category
Food Science
Identifiers
URN: urn:nbn:se:ri:diva-62452DOI: 10.1016/j.jclepro.2021.127189Scopus ID: 2-s2.0-85105258576OAI: oai:DiVA.org:ri-62452DiVA, id: diva2:1729874
Note

This work was supported by FORMAS-The Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (grant number 2016e00308) which support is greatly acknowledged. We acknowledge the National Research Infrastructure SIMPLER supported by the Swedish Research Council (grant number 2017e00644) for use of the databases from the Swedish Mammography Cohort and the Cohort of Swedish Men

Available from: 2023-01-23 Created: 2023-01-23 Last updated: 2023-06-08Bibliographically approved

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Hallström, ElinorSjons, JosefinSonesson, Ulf

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