More than a billion people live in extreme poverty, plagued by diseases such as AIDS and malaria, and without enough fresh water to drink or food to eat. How best to meet the needs of a growing population? Can science and technology play a role?
Jeffrey Sachs, director, Earth Institute at Columbia University; author, The End of Poverty: Economic Possibilities for Our Time; Quetelet Professor of Sustainable Development; professor of health policy and management; special advisor to UN Secretary-General Kofi Annan
Lester Brown, president and founder, Earth Policy Institute; author, Outgrowing the Earth: The Food Security Challenge in an Age of Falling Water Tables and Rising Temperatures.