The sustainability of agri-food supply chains is particularly relevant for global sustainable development. Many existing food production systems do more harm than good. They compromise the natural rhythms of the Earth, introduce toxins, and therefore sacrifice future capability for current demands - the opposite of sustainable development norms. The existing system is also unbalanced with respect to its capacity to produce, the amount of waste it generates, the number of people who suffer from hunger, and the nutritional value it provides. Most of the current supply chains have been developed...