Subject(s): Food supply -- Government policy -- International cooperation -- Malnutrition -- Nutrition policy -- Agricultural production -- Under nutritions -- Malnutrition : Famines, undernutrition, impact of undernutrition -- Causes of undernutrition : Economics- supply and demand, food security, food v/s population, other facts influencing demand for food, agricultural land and water, agricultural production and environment, increasing yield, health related causes of undernutrition -- Policy approaches to undernutrition : Philosophical approaches to undernutrition, policies aimed at health related causes of undernutrition, raising income of the poor, demographic causes of undernutrition, lowering price of food through subsidized consumption, improving access to food, policies that raise prices to farmers- direct subsidies and eliminating urban bias, policies aimed at lowering price of food by increasing supply, world food supply and demand for next half century