Policy synergies and trade-offs: reviewing the land use and biodiversity implications of adopting national dietary guidelines

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Scoping review reveals trade-offs in land use and biodiversity when aligning diets with national dietary guidelines.

Aligning diets with national dietary guidelines can reduce meat and sugar consumption significantly, improving dietary health.
Over 75% of studies reviewed were published recently, indicating a growing interest in dietary impacts on land use and biodiversity.
The scoping review assessed 40 papers, only three of which included biodiversity impacts related to dietary guidelines.
Policy recommendations emphasize the need for environmental sustainability in future dietary guidelines and food systems approaches.

Kelly et al. (2025) studied this question.

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