Guest Lecturer, Renmin University of China Law School (Beijing, October 26, 2006).
Speaker and Consulting Expert, "Workshop on Water Conservation Legislation," Peoples Republic of China State Council, Office of Legislative Affairs/Yale Law School China Law Center (Beijing, October 24-25, 2006).
"Pluralism and Accommodation on an American Water Law Frontier -- the Acequias of the United States Southwest" for the panel "El Acceso al Agua en la Historia de America," Conference presentation: At the 52nd International Congress of Americanists (Seville, Spain, July 17-21, 2006).
"Western Solutions to Water Resource Problems," (Speaker and Panelist at The National Water Crisis: Drawing The Line, sponsored by Legal Institute of the Great Lakes and the University of Toledo College of Law, Toledo, Ohio, November 12, 2004).
The Legal Institute of the Great Lakes, University of Toledo College of Law, Speaker, Panelist, National Water Crisis: Drawing the Line, Toldeo, Ohio, 11/12/2004.
"History of Colorado Acequias and Community-Based Water Allocation," (Speaker and Facilitator at the Colorado Acequia Association By-Law Conference, San Luis, Colorado, September 25, 2004).
Colorado Acequia Association by Law, Speaker, Panelist, Colorado Acequia Association by Law Conference, San Luis, Colorado, 09/25/2004.
"Comparative Perspectives on Resistance, Adaptation and Alternative Rationalities in Hispanic and European Irrigation Systems," (Panelist and Discussant at the Tenth Biennial Conference of the International Association for the Study of Common Property, Oaxaca, Mexico, August 9-13, 2004).
International Association for the Study of Common Property, Panelist, Discussant, Tenth Bennial Conference, Oaxaca, Mexico, 8/9/2004 - 8/13/2004.
"Watershed Planning and Introduction to Washington Water Law for Water Resource Inventory Area 45 (Wenatchee River)," (March 27, 2003).
"Law and Customary Natural Resource Management," (Talk presented at first plenary of the joint meeting of the Conference of Asian Pacific Law Faculty and Western Law Teachers of Color, March 21, 2003).
"Watershed Planning and History of the Crab Creek Watershed," (Talk presented to watershed planning group for Water Resource Inventory Area 43, March 18, 2003).
"Environmental Security," (Roundtable Panelist in University of Washington Program on the Environment Roundtable Series, March 11, 2003).
"Opportunities and Challenges for Community Acequia Water Planning After Lobato v. Taylor" (Panelist in discussion sponsored by the Onate Cultural Center, Rio Arriba County, New Mexico, February 2, 2003).
"Watershed Planning, the Construction of Community, and the Sharing of Scarcity," (Talk presented to community water planners in the town of Auroville, Tamil Nadu, India, January 26, 2003).
"Building a Consensus for Habitat and the Restoration of Natural Flow Regimes in the Skagit River" (Speech and workshop case study presented to the International Leadership Council of the Nature Conservancy, July, 23, 2002).
"The Landscape of the Watershed Commons of San Luis, Colorado" (Colloquium Series of the University of Washington Department of Geography, December 2000).
"Some Problems of Groundwater Pollution Remediation in the Bingham Canyon Mine of Utah's Salt Lake Valley" (University of Washington Department of Chemical Engineering, April 2000).
"Natural Assets: Democratizing Environmental Ownership" (Discussant and Presenter at conference sponsored by the Ford Foundation and the Political Economy Research Institute of the University of Massachusetts, Santa Fe, New Mexico, January 2000).
"Water Allocation on an Occasional Western Stream -- Washington's Crab Creek and the Experience of Scarcity (University of Arizona Law School, Tuscon, Arizona, November 1998).