Nathalie de NOBLET-DUCOUDRE is a researcher at the LSCE (environment and climate sciences laboratory). She studies climate evolution, the role of man, and biogeochemical cycles which affect climate and the study of past climates. Noblet-Ducoudre works in the team that models biogeochemical cycles. This laboratory is part of the Pierre Simon Laplace Institute in the Environmental Studies department. Several of the laboratory’s researchers are members of the IPCC, group of experts that won the Nobel Prize alongside Al Gore in 2007.