Going Veggie Would Cut Global Food Emissions By Two Thirds And Save Millions Of Lives

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Millions of avoidable deaths

We found that adoption of global dietary guidelines could result in 5.1m avoided deaths per year in 2050. Vegetarian and vegan diets could result in 7.3m and 8.1m avoided deaths respectively. About half of this is thanks to eating less red meat. The other half comes thanks to eating more fruit and veg, along with a reduction in total energy intake (and the associated decreases in obesity).

There are huge regional variations. About two thirds of the health benefits of dietary change are projected to occur in developing countries, in particular in East Asia and South Asia. But high-income countries closely follow, and the per-person benefits in developed countries could actually be twice as large as those in developing countries, as their relatively more imbalanced diets leave greater room for improvement.

Room for improvement. Lightspring / shutterstock

China would see the largest health benefits, with around 1.4m to 1.7m averted deaths per year. Cutting red meat and reducing general overconsumption would be the most important factor there and in other big beneficiaries such as the EU and the US. In India, however, up to a million deaths per year would be avoided largely thanks to eating more fruit and vegetables.

Russia and other Eastern European countries would see huge benefits per-person, in particular due to less red meat consumption. People in small island nations such as Mauritius and Trinidad and Tobago would benefit due to reduced obesity.

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