The Green Revolution and the Growth of African Agriculture

October 6, 2011 - Director of Agricultural Development for the Bill and Melinda Gates Foundation, Prabhu Pingali, discusses the future of the "Green Revolution." Following this presentation Professor Philip Pardey from the University of Minnesota discusses the current and future agricultural landscape in Africa.To make room for nature, farms of the future may have to move off the land and into skyscrapers. Dickson Despommier explains his idea.