Demography and Population Studies, University of Zambia

Professor of Gegraphy, University of Adelaide

Founding Director, Wittgenstein Centre (IIASA, OEAW, Univ. Wien)

Duke University

Professor of Ungulate Ecology, Wildlife Biology Program, University of Montana

Paxson H. Offield Professor in Fisheries Ecology, University of Southern California

Duke University, Nicholas School of Environment & Global Health Institute

Universidad de Costa Rica

Johns Hopkins University

Professor of Economics, University of Hawaii at Manoa and Senior Felleow, East-West …