Céline Guivarch is an economist working within the CIRED (Centre international de recherche sur l’environnement et le développement) and Research Director at the Ecole des Ponts ParisTech. She is one of the authors of the 6th IPCC assessment report and is a member of the High Council on Climate. Her research deals with climate change, a topic that she investigates through the lens of economics and through other multidisciplinary approaches – using climate and carbon cycle models, applied mathematics or environmental science, for example. Her research relies on numerical models to explore the interactions between economic trends, the evolution of technical systems and lifestyles, and climate change.