Solomon Hsiang, co-director of the Lab, speaks at the National Academy of Sciences Arthur M. Sackler colloquium on Economics, Environment, and Sustainable Development organized by Simon Levin, Stephen Carpenter, Gretchen Daily, Sir Partha Dasgupta, Paul Ehrlich, Geoffrey Heal, Catherine Kling, Jane Lubchenco, and Stephen Polasky. This event was held in Irvine, CA on January 17-18, 2018.