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Eating cheap, plant-based foods like beans and grains cuts both costs and emissions, according to a global study.
A global study finds that eating affordable, nutritious foods like legumes, whole grains, and seasonal vegetables reduces both food costs and greenhouse gas emissions.
Researchers analyzed diets worldwide and discovered that lower-cost options within each food group typically have a smaller carbon footprint, with the cheapest healthy diet costing just $3.68 per day and emitting 1.65 kg CO₂-equivalent.
While rice emits more due to methane from paddies and some fish are low-cost and low-emission, plant-based staples generally offer the best balance of affordability and sustainability.
The findings, published in Nature Food, show that frugal eating aligns with climate goals, supporting policies that promote accessible, low-impact diets.
Según un estudio mundial, comer alimentos de origen vegetal baratos como frijoles y granos reduce tanto los costos como las emisiones.