Modern food systems are complex, and there are many points along the supply chains, from production to consumption, that are vulnerable to disruption. Due to the wide-reaching effects of climate change, these systems are becoming vulnerable to increasing disruptions. Ensuring food security is not only a matter of helping farmers adapt to the changing climate, but also of helping governments craft policies and develop institutions that will provide them with the capacities to manage this multifaceted aspect of modern society in the face of future threats.