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Environmental and nutritional impacts of dietary changes in Spain during the COVID-19 lockdown.


ABSTRACT: 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 (Global Warming Potential, Blue Water Footprint and Land Use) and a total of seven weekly diet scenarios were 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, as well 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.

SUBMITTER: Batlle-Bayer L 

PROVIDER: S-EPMC7395635 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Environmental and nutritional impacts of dietary changes in Spain during the COVID-19 lockdown.

Batlle-Bayer Laura L   Aldaco Rubén R   Bala Alba A   Puig Rita R   Laso Jara J   Margallo María M   Vázquez-Rowe Ian I   Antó Josep Maria JM   Fullana-I-Palmer Pere P  

The Science of the total environment 20200801


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 (Global Warming Potential, Blue Water Footprint and Land Use) and a total of seven weekly diet scenarios were designed: two pre-COVID diets for March and April  ...[more]

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