University Distinguished Professor of Sociology, Michigan State University

Dresser Professor and Regents Professor of Sociology, Oklahoma State University

Professor of Sociology, University of Oregon

Universidad Nacional Autónoma de México

Environmental Policy group, Wageningen University & Research

Director, Urban & Regional Studies Institute, Faculty of Spatial Sciences, University of …

Professor emeritus, Clark University

Professor of Urban and Environmental Policy and Planning, Tufts University.

Professor of Sociology, University of Colorado

Professor, Washington State University, Stanford University