Summary
This study, published in Public Health Nutrition, investigates the interplay between dietary diversity, nutritional adequacy, and the environmental footprint of diets using French dietary survey data. It likely demonstrates that diets higher in nutritional adequacy and diversity do not necessarily incur greater environmental costs, suggesting partial alignment between nutritional and environmental dietary goals. The findings contribute to evidence informing sustainable diet recommendations by quantifying trade-offs and synergies across nutritional and environmental dimensions.
UK applicability
While conducted using French dietary data, the methodological approach and findings on diet quality–environment trade-offs are broadly relevant to UK sustainable diet policy, particularly in the context of the UK's National Food Strategy and efforts to define diets that are both nutritionally adequate and environmentally sustainable.
Key measures
Dietary diversity scores; nutrient adequacy ratios; greenhouse gas emissions (kg CO2-eq/day); land use (m²/day); diet quality indicators
Outcomes reported
The study examined the relationships between dietary diversity, nutritional adequacy, and the environmental footprint (including greenhouse gas emissions and land use) of observed diets. It assessed whether more diverse or nutritionally adequate diets were associated with higher or lower environmental impacts.
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