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Diet impact

Cost and climate impact of healthy diets worldwide

Identifying diets that are nutritious, affordable and low impact is key for food systems transformation. A recent study shows how changes in food policy and choice can most cost-effectively support healthier and more sustainable diets worldwide.

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Correspondence to Emiliano Lopez Barrera.

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The authors declare no competing interests.

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Lopez Barrera, E., Liu, R. Cost and climate impact of healthy diets worldwide. Nat Food 6, 1111–1112 (2025). https://doi.org/10.1038/s43016-025-01273-1

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