Lester Brown founded the World Watch Institute in 1974, and since 1975 they have been publishing the most comprehensive and instructive policy environmental reports in the world. This year’s State of the World Report was released yesterday, and the report’s over-arching theme is Our Urban Future. State of the World Project Director Molly O’Meara Sheehan chats with Betsy about population density, urban innovations in Brazil, and even quotes Plato! LISTEN (10 min)