Food Systems: Feeding the Planet Sustainably

Harvard HKS

The global food system must feed a growing population with richer diets while operating within environmental and social limits. This course introduces that challenge and the policies that shape it. We start with the historical context — Malthus, the Green Revolution, and the drivers of agricultural productivity — then examine how climate change, trade, and geopolitical shocks affect food supplies, and how agriculture itself contributes to greenhouse gas emissions, biodiversity loss,…