He has over ten years of experience, with a particular focus on climate change. He has advised government departments, political parties and business from the oil and gas sector to aviation on their environmental strategies.
He is Co-Director of the Grantham Research Institute on Climate Change and the Environment at the London School of Economics, where he is also Director of the ESRC Centre for Climate Change Economics and Policy, and Professor in the Department of Geography and Environment. He currently serves as Co-Editor of the Journal of the Association of Environmental and Resource Economists, the leading journal in the field of environmental economics. He built his reputation as an economic advisor to the Stern Review on the Economics of Climate Change.
He holds a PhD and an MSc (with distinction) from the LSE, a starred first class degree in Environmental Science from the University of East Anglia and also attended the Swiss Federal Institute of Technology (ETH) in Zurich.