Limited self sufficiency threatens global access to healthy and sustainable diets

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Growing emphasis on self-reliance and trade barriers could impair the ability of people to consume healthy and sustainable diets around the world. Research teams from the University of Göttingen and the University of Edinburgh investigated the extent to which 186 countries can feed their own populations solely through domestic production. The study was published in the journal Nature Food. The researchers evaluated seven food groups that are part of the World Wildlife Fund's Livewell diet. Only one in seven countries achieve self-sufficiency in five or more essential food groups – most within Europe and South America. This lack of self-sufficiency...