Perspectives

Many cities have enough space to satisfy their population’s demand for fruits and vegetables. A conceptual framework based on the city of Sheffield, United Kingdom, highlights key challenges and opportunities for the realization of untapped urban horticultural potential.

Livestock products are under scrutiny from environmental, human health and animal welfare perspectives. Future policy decisions must address and represent the complexity of the interactions between livestock and the Sustainable Development Goals, and beyond.

Advances such as machine learning may enable the full biochemical spectrum of food to be studied systematically. Uncovering the ‘dark matter’ of nutrition could open new avenues for a greater understanding of the composition of what we eat and how it relates to health and disease

This Perspective builds on the concept of full-chain nitrogen use efficiency to propose policy interventions and criteria that target major actors in the agri-food chain.