About 15 million deaths could be avoided each year and agricultural emissions could drop by 15% if people worldwide shift to healthier, predominantly plant-based diets, according to the EAT-Lancet Commission , which brought together scientists worldwide to review the latest data on food's role in human health , climate change , biodiversity and people's working and living conditions .

Their conclusion: Without substantial changes to the food system, the worst effects of climate change will be unavoidable, even if humans successfully switch to cleaner energy.

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