Studio discussion amongst three eminent spokespeople on the subject of climate change and what should be done. The three protagonists are Dave Frame, Deputy Director of The Smith School of Enterprise and the Environment at the University of Oxford; Tom Burke, Green Alliance’s director from 1982–1991, Founding Director of E3G, an Environmental Policy Adviser to Rio Tinto plc and a Visiting Professor at Imperial and University Colleges, London; and Charlie Kronick, Chief Policy Adviser for Greenpeace. The discussion is chaired by the Deputy Editor and chief reporter, writer and editor on climate change for The Economist, Emma Duncan.