In a world of diminishing natural resources, global economic crisis and constant pressure on time, how does not having enough shape the way we think and act? Professors Sendhil Mullainathan from Harvard, Simin Davoudi from Newcastle and Jeremy Till from Central St Martins discuss scarcity and sustainability with Philip Dodd and an audience at Sage Gateshead. Recorded on Saturday 26th October 2013 in front of a live audience at Sage Gateshead as part of Radio 3's Free Thinking festival.