Blue foods play a central role in food and nutrition security for billions of people and are a cornerstone of the livelihoods, economies, and cultures of many coastal and riparian communities.

Food systems approaches are increasingly used to better understand transitions in diets, sustainable resource use and social inclusion. Moreover, food systems frameworks are also widely used in many recent policy and foresight studies.

For 15 years, I had lived in a small village in southeastern China. We did not recognize malnutrition when we saw it, because to us it looked normal. We were all malnourished.