While more than 900 million people worldwide suffer from hunger, nearly double that number—1.5 billion—are overweight or obese, according to the Food and Agriculture Organization (FAO).

The world clearly has a problem with food, but FAO believes the approach to this issue must be changed—and changed quickly—to improve the health of people and the planet.

FAO together with the Rome-based NGO Bioversity International has released a new book that promotes sustainable diets while protecting biodiversity.

Dianne Penn reports.

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