Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 748, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.141410
Keywords
Life cycle assessment; Food habits; National dietary guidelines; Planetary health diet; Sustainability
Categories
Funding
- Spanish Ministry of Science and Competitiveness through the CERES-PROCON Project [CTM2016-76176]
- Spanish Ministry of Science and Competitiveness through KAIROS-BIOCIR Project [PID2019-104925RB]
- Mercadona-UPF-BSM Chair in Circular Economy
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The COVID lockdown has affected food purchases and eating habits. In this regard, this short communication assesses the nutritional and environmental impacts of these changes during the COVID lockdown in Spain, by applying Life Cycle Assessment and an energy- and nutrient-corrected functional unit. Three environmental impacts were studied (GlobalWarming Potential, BlueWater Footprint and Land Use) and a total of sevenweekly diet scenarioswere designed: two pre-COVID diets for March and April in 2019 (MAR19, APR19), one COVID diet (COVID) and two alternative diets, one based on the National Dietary Guidelines (NDG) and another one on the Planetary Health Diet (PHD). Results show that the COVID diet had larger energy intake and lower nutritional quality, aswell as higher environmental impacts (between 30 and 36%) than the pre-COVID eating patterns. Further research is needed to account for food affordability within this assessment, as well as to analyze how eating patterns will evolve after the COVID lockdown. Finally, the definition of short guidelines for sustainable food behaviors for future possible lockdowns is suggested, as well as the introduction of sustainable indicators within NDGs. (C) 2020 Elsevier B.V. All rights reserved.
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