Transboundary Water

Regents Professor Emeritus

Assistant Professor of Illustration and Animation, Fine Arts

Regents' Professor, School of Geography, Development & Environment, College of Social and Behavioral Sciences

Professor and Associate Director, School of Geography, Development & Environment

Professor, Latin American Studies

Assistant Research Scientist, Environmental Science

Director, Water Resources Research Center

C.W. & Modene Endowed Professor, Distinguished Outreach Professor, Professor, and Specialist, Environmental Science

Professor, School of Geography, Development and Environment

Director, Udall Center for Studies in Public Policy

Executive Director Emeritus, Arizona-Sonora Desert Museum

Research Scientist, Ecology and Evolutionary Biology

Professor of Geosciences, Emeritus