Original broadcast date: July 17, 2015. In a world with limited resources, can we find ways to salvage what's disappearing? Can we innovate our way out of a finite landscape? This hour, TED speakers explore ideas about living with less. Guests include ethnobotanist Mark Plotkin, ecologist Jon Foley, economist Ramanan Laxminarayan, community organizer Rob Hopkins, and researcher Navi Radjou.