Taking a food systems approach is a promising strategy for improving diets. Implementing such an approach would require the use of a comprehensive set of metrics to characterize food systems, set meaningful goals, track food systems performance, and evaluate the impacts of food systems interventions.

Malnutrition in all its forms is a major challenge everywhere in the world, and particularly in low and middle income countries.

One of the major challenges of the 21st century is to achieve food security under marked shifts in climatic risks and roughly a doubling in food demand by 2050 compared to present.