Contributor(s): Professor Lord Stern of Brentford | Introducing his new book, Why Are We Waiting? The Logic, Urgency and Promise of Tackling Climate Change Professor Stern will argue that the transition to a low-carbon economy and rapid structural transformations to the world economy provide a story of growth and poverty reduction that is attractive and sustainable. Nicholas Stern is IG Patel Professor and Chair of the Grantham Research Institute on Climate Change and the Environment at LSE and President of the British Academy. Craig Calhoun (@craigjcalhoun) is Director and President of LSE. The Grantham Research Institute on Climate Change and the Environment (@GRI_LSE) is a research centre at LSE. The Institute’s research looks at the economics of climate change, and aims to inform policy and academic debate. The Centre for Economic Performance (@CEP_LSE) is an interdisciplinary research centre at the LSE Research Laboratory. It was established by the Economic and Social Research Council (ESRC) in 1990 and is now one of the leading economic research groups in Europe. Credits: Tom Sturdy (Audio Post-Production), LSE AV Services (Audio Recording).