Transitioning to healthy and sustainable diets has higher environmental and affordability trade-offs for emerging and developing economies
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View abstract on PubMed
Summary
This summary is machine-generated.Transitioning to sustainable diets by 2070 improves nutrition and affordability while reducing water use globally. Initial phases may see increased water demand and reduced food affordability, especially in developing economies, necessitating careful planning.
Area Of Science
- Nutrition Science
- Environmental Science
- Agricultural Economics
Background
- Global diets are shifting, with established benefits for sustainability and health.
- However, country-specific challenges and opportunities during dietary transitions are not well understood.
Purpose Of The Study
- To project impacts of four alternative diets (Mediterranean, EAT-Lancet, Healthy US-Style, Vegetarian) on water use, dietary quality, and food affordability from 2020-2070.
- To assess country-level implications of these dietary shifts.
Main Methods
- Utilized projection modeling for four distinct dietary scenarios.
- Analyzed changes in water consumption, nutritional quality, and food prices.
- Focused on country-level impacts between 2020 and 2070.
Main Results
- By 2070, healthy diets can enhance dietary quality (30.29-45.43%), reduce water use (1.21-14.73%), and improve food affordability (9.29-63.23%) globally.
- Initial transition phases may increase water use and decrease food affordability, particularly in emerging/developing economies (max deterioration: 2.62% water use, 13.06% affordability).
Conclusions
- Long-term planning and financial support are crucial for successful global dietary transitions.
- Sustainable diets offer significant long-term benefits for health, environment, and economy.
- Addressing initial transition challenges is key for equitable global adoption.
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