Professor Chris Rapley CBE is Professor of Climate Science at University College London. He is a Fellow of St Edmund’s College Cambridge, a member of the Academia Europaea, a Distinguished Visiting Scientist at NASA’s Jet Propulsion Laboratory, and Chairman of the London Climate Change Partnership.His previous posts include Director of the Science Museum London, Director of the British Antarctic Survey, President of the Scientific Committee on Antarctic Research, Executive Director of the International Geosphere-Biosphere Programme, and Head of UCL’s Earth Observation satellite group.His current interests are in the role of climate scientists in society and the communication of climate science. He is Chair of the UCL Commission on Communicating Climate Science.Prof Rapley was awarded the 2008 Edinburgh Science Medal for having made ‘a significant contribution to the understanding and wellbeing of humanity.