Regents Professor, Earth & Environmental Sciences, U. Minnesota

Professor at Collège de France, CEREGE, Aix Marseille Univ, CNRS, IRD, INRA

Lamont-Doherty Earth Observatory of Columbia University

University of California, Santa Cruz

Distinguished Professor, University of Massachusetts

Senior Scientist, National Center for Atmospheric Research

Director Science and Innovation Department and Chief Scientist World Meteorological …

Professor of Geography, University of Oregon

Professor of Environmental Sciences, Emeritus

Professor of Geoscience, Pennsylvania State University