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Research Professor of Environmental Policy
Adjunct Professor of Hydrology and Atmospheric Sciences
Adjunct Research Professor of Natural Resources and the Environment
Robert G. Varady is research professor of environmental policy and immediate past director of the Udall Center for Studies in Public Policy at the University of Arizona. He also is adjunct research professor of arid lands studies in the School of Natural Resources and the Environment, and adjunct professor in the Department of Hydrology and Atmospheric Sciences.
Varady obtained his PhD in 1981 in the modern history of developing-country infrastructure from the University of Arizona, and holds MS and BS degrees in mathematics from the Polytechnic Institute of Brooklyn (now NYU Tandon School of Engineering) and the City College of New York, respectively.
Varady's work mostly has addressed environmental and water-management governance and policy in arid regions, with an emphasis on transboundary issues, especially along the U.S.-Mexico border. He has studied the history of global water initiatives, transboundary aquifer governance, and water security in the Americas. He has been a consultant to UNESCO, FAO, and GEF on a number of water-related efforts, and recently led an evaluation of UNESCO’s World Water Assessment Program.
Varady has co-edited ten books, monographs, digests, edited volumes, and journal special issues; and published some 225 essays and reports on water and environmental governance, policy, and history; agricultural development; information management; and transportation systems. He also has directed environmental and agricultural projects in West Africa, the Middle East, and South Asia.
He is past president of the International Water History Association (IWHA) and his international efforts were recognized by the University of Arizona’s 2012 Award for Excellence in Global Service.
Links to projects and programs
For information about the publications listed here, including how to obtain copies if you are unable to access them via the links provided, contact Robert Varady at firstname.lastname@example.org.
Books and journal special issues
Varady, RG, AK Gerlak, MO
Wilder, and N Pineda, eds. In press. Special issue, Environmental Science
and Policy, “New Directions in Hydrodiplomacy to Meet Global Water
Challenges: Learning from the Past, Shaping the Future.”
Shared Borders, Shared Waters: Israeli-Palestinian and Colorado River Basin Water Challenges. 2013. Megdal, SB, RG Varady, and S Eden, eds. Leiden: CRC Press/Balkema – Taylor & Francis Group in cooperation with UNESCO-IHE. 320 + xxii pp.
“Rethinking Integrated Assessments and Management Projects in the Americas” Special issue (Vol. 26) Environmental Science and Policy. 2013. Garfin, G, P Romero-Lankao, and RG Varady, eds. 112 pp.
Moving Forward from Vulnerability to Adaptation: Climate Change, Drought, and Water Demand in the Urbanizing Southwestern United States and Northern Mexico. 2012. Wilder, M, CA Scott, N Pineda-Pablos, RG Varady, and GM Garfin, eds. 2012. Tucson: Udall Center for Studies in Public Policy. 170 pp. English and Spanish.
Conservation of Shared Environments: Learning from the United States and Mexico. 2009. López-Hoffman, L, ED McGovern, RG Varady, and KW Flessa, eds. Tucson: University of Arizona Press. 320p.
Articles and essays
Varady, RG, TR Albrecht, AK Gerlak, MO Wilder, BM Mayer, A Zuniga-Teran, KC Ernst, and MC Lemos. In press. The exigencies of transboundary water security: insights on community resilience. In special issue, Current Opinion in Environmental Sustainability 44: 74-84, "Resilience and complexity: Frameworks and models to capture social-ecological interactions,” ed. by C. A. Scott and F.-M. Le Tourneau.
Wilder, MO, RG Varady, SP Mumme, AK. Gerlak, KW Flessa, A Zuñiga, CA Scott, N Pineda Pablos, and SB Megdal. 2020. Hydrodiplomacy and adaptive governance at the U.S.-Mexico border: 75 years of tradition and innovation in transboundary water management. In special issue, Environmental Science and Policy 112: 189-202, “New Directions in Hydrodiplomacy to Meet Global Water Challenges: Learning from the Past, Shaping the Future,” ed. by R. G. Varady, M. O. Wilder, A. K. Gerlak, and N. Pineda.
Wilder, MO, RG Varady, SP Mumme, N Pineda Pablos, AK Gerlak, and CA Scott. 2019. U.S.-Mexico hydrodiplomacy: Foundations, change, and future challenges. Science and Diplomacy 8, 2 (Dec.). 15pp. Online at http://www.sciencediplomacy.org/article/2019/us-mexico-hydrodiplomacy-foundations-change-and-future-challenges.
Albrecht, TR, RG Varady,
AA Zuniga-Teran, A Gerlak, R De Grenade, A Lutz-Ley, F Martín, SB Megdal, F
Meza, D Ocampo Melgar, N Pineda, F Rojas, R Taboada, B Willems. 2018.
Unraveling transboundary water security in the arid Americas. In special issue,
"Water security: science, systems and policy," ed. by C. Staddon and
C. A. Scott. Water International 43, 8: 1075-1113. DOI:
Scott, CA, T Albrecht, R
de Grenade, A Zuniga Teran, RG Varady, B Thapa. 2018. Water security and the
pursuit of food, energy, and earth systems resilience. In special issue,
"Water security: science, systems and policy," ed. by Staddon and
Scott. Water International 43, 8: 1055-1074.
Petersen-Perlman, JD., SB Megdal, AK Gerlak, RG Varady, M Wireman, AA Zuniga-Teran. 2018. Critical issues affecting groundwater quality governance and management in the United States. Water 10, 6. doi:10.3390/w10060735; online at http://www.mdpi.com/2073-4441/10/6/735.
Gerlak, AK, L House-Peters, RG Varady, T Albrecht, A Zúñiga-Terán, CA Scott, R de Grenade, and C Cook. 2018. Water security: A review of place-based research. Environmental Science and Policy 82: 79–89. doi.org/10.1016/j.envsci.2018.01.009.
Albrecht, T, RG Varady, AA Zuniga, A K Gerlak, and C Staddon. 2017. Governing a shared hidden resource: A review of governance mechanisms for transboundary groundwater security. Water Security 2: 43-56. doi.org/10.1016/j.wasec.2017.11.002.
Innovative approaches to collaborative groundwater
governance in the United States: Case studies from three high-growth regions in
the Sun Belt. 2017. Megdal, SB, A Gerlak, L-Y Huang, N Delano, RG Varady,
and J Petersen-Perlman.
59, 5: 718-735.
Adaptive management and water security in a global context: Definitions, concepts, and examples. 2016. Varady, RG, A Zuñiga-Teran, G Garfin, F Martín, and S Vicuña. In press. Special issue of Current Opinion in Environmental Sustainability, "Environmental Change and Assessment," ed. by GM Garfin, M Wilder, and R Merideth.
Metrics for assessing adaptive capacity and water security:
Common challenges, diverging contexts, emerging consensus. 2016. Garfin, G, CA
Scott, M Wilder, RG Varady, and R Merideth. 2016. Special issue,
"Environmental Change and Assessment," of
Current Opinion in
21: 86-89. ed. by Garfin, G, Wilder, M, and Merideth,
Modes, approaches, and lessons learned: A survey of selected cases of groundwater governance across the globe. 2016. Varady, RG, AA Zuniga-Teran, AK Gerlak, and SB Megdal. In special issue, “Water Governance, Stakeholder Engagement, and Sustainable Water Resources Management,” ed. by S Megdal, S Eden, and E Shamir. Water 8, 417: 24pp. doi:10.3390/w8100417.
Scientists, policymakers, and stakeholders plan for climate change: A promising approach in Chile’s Maipo basin. 2016. Ocampo-Melgar, A, S Vicuña, J Gironás-León, RG Varady, and CA Scott. Environment: Science and Policy for Sustainable Development 58, 5 (Sept.-Oct.): 24-37.
Desalination and water security in the US–Mexico border region: assessing the social, environmental and political impacts. 2016. Wilder, MO, I Aguilar-Barajas; N Pineda-Pablos, RG Varady, SM Megdal, J McEvoy, R Merideth, AA Zúñiga-Terán, and CA Scott. Water International 41, 5: 756-75.
Transboundary groundwater governance in the Guarani Aquifer System: reflections from a survey of global and regional experts. 2015. Sugg, Z, RG Varady, AK Gerlak, and R de Grenade. Water International 40, 3: 377–400.
Groundwater governance in the United States: Common priorities and challenges. (2015) Megdal, S. B., A. K. Gerlak, R. G. Varady, and L.-Y. Huang. Groundwater 52, 1: 1-8.
Varady, RG, T Albrecht, AK Gerlak, AA Zuniga-Teran, and C Staddon. In press. The water security discourse and its main actors. In Handbook of Water Resources Management, ed. by J. J. Bogardi, K. D. Wasantha Nandalal, R. R. P. van Nooyen, and A. Bhaduri. Springer (exp. pub. date: 2020).
Groundwater governance in the United States: A mosaic of
priorities and approaches
Megdal, SB, Zuniga Teran, A, Varady, RG, Delano, N, Gerlak, AK, and
Vimont, ET. In
Advances in Groundwater Governance, ed. by
Villholth, K, Lopez-Gunn, E, van Der Gun, J, Conti, K, and Garrido, A. Delft:
Addressing the groundwater governance challenge—A call from the “Groundwater Governance: A Global Framework for Action” Project. (in press). Varady, RG, SB Megdal, K Conti, G-J Nijsten, F Scheibler, J van der Gun, A Merla and M de Chaisemartin. In Water Governance for the 21st Century, by ed. by I. Buchan. Springer.
Gilbert Fowler White. (in press). Merideth, R, and RG Varady. In Oxford Bibliographies in Environmental Science, E Wohl, ed. New York: Oxford University Press.
The Santa Cruz River: Four millennia of water heritage and security in the U.S.-Mexico border region (2015) De Grenade, R. R., R. G. Varady. In Water and Heritage: Material, Conceptual and Spiritual Connections, WJH Willems and H van Schaik, eds, 371-87. Sidestone Press.
Reports and working papers
Evaluation of the World Water Assessment Programme. 2015. Gerlak, AK, Megdal, SB, and RG Varady (team leader), in collab. with A Malhotra and J Vaessen (task manager). Paris: UNESCO. 127 + vi pp.
Improving integrated surface water and groundwater management in the United States: Three case studies of innovative groundwater governance approaches. 2015. Megdal, SB, AK Gerlak, RG Varady, and L-Y Huang. 2015. Report. Tucson: UA Water Resources Research Center. 53 pp.
Groundwater policy and governance. 2013. Varady, RG, F van Weert, SB Megdal, A Gerlak, C Abdalla Iskandar, and L House-Peters. Thematic Paper No. 5. Groundwater governance: A global framework for country action. GEF project 3726. 38 pp.
Guidance on links between water reclamation and reuse and regional growth. 2011. Scott, CA, A Browning-Aiken, KJ Ormerod, RG Varady, CD Mogollon, and C Tessmer. Report 6-16-1. WateReuse Research Foundation.