"Back to the Future: The Authority and Effect of NEPA," NEPA at 40: How a Visionary Statute Confronts 21st Century Environmental Impacts, George Washington University and The Environmental Law Institute, Washington, D.C., March 23, 2009
"Climate Change and the Commons: Why the Study of the Tragedy of the Commons Is Not Enough," 2009 LAw of the Commons Symposium, Seattle University School of Law, March 13, 2009
"The Worst Case, Sustainability, and the Future of the Endangered Species Act, 2009 Symposium on the Evolving Endangered Species Act: A Twenty-First Century Perspective, University of California at Davis School of Law, February 20, 2009
"Sustainability" Too Little, Too Late in the World of Climate Two," The Environmental & Engergy Law & Policy Journal Symposium: Reliable Energy and Sustainability, 2009 Symposium on Sustainability, University of Houston Law Center, February 6, 2009
"Indian Tribes and Environmental Law: The Lonliness of Leadership, The Burdens of History, The Distinctions of Place," Rennard Strickland Lecture, University of Oregon School of Law, Eugene, Oregon, October 22, 2008
"Ground Zero on Climate Change: Multiple stressors, Alaska Natives, and the End of Oil," Panel on Ocenas and Climate Change, University of South Carolina School of Law, Columbia, South Carolina, October 2, 2008
"Climate Change in the Northwest: 'Tribal Perspectives'," Seattle Public Library Lecture Series, Downtown, Seattle, Washington, May 29, 2008
"Presentation on Ecological Economics," The Green Festival, Joint Project of Global Exchange and Co-Op America, Washington Convention and Trade Center, Seattle, Washington, April 12, 2008
"Wilderness and the Law, the Last Seven Years," 2008 Northwest Wilderness and Parks Conference, Mountaineers, Seattle, Washington, April 4, 2008
"Dam Building and Removal on the Elwha: A Prototype of Adaptive Mismanagement and a Tribal Opportunity," Conference on the Future of Natural Resources Law & Policy, University of Colorado School of Law, Boulder, Colorado (June 8, 2007).
"The Si'lailo Way: Indians, Salmon and Law on the Columbia River," Celilo Authors Gathering, Tamástslikt Cultural Institute, Confederated Tribes of the Umatilla Reservation, Pendleton, Oregon (May 5, 2007).
"Environmental Law and Indian Country, with an Emphasis on NEPA and Air Quality," Workshop to Improve and Protect Air Quality in Indian Country, U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Seattle, Washington (March 22, 2007).
"Remembering Celilo: Indian Fishing and the Columbia River," Celilo and the Future Conference, Co-Sponsored by the Columbia River Inter-Tribal Fish Commission and the Tribal Leadership Forum, Portland, Oregon (March 9, 2007).
"Puget Sound: Sunk by Law, Salvaged by Law," The Water Center 17th Annual Review of Research, University of Washington, Seattle, Washington (February 14, 2007).
Presentation, Celilo Encampment, Celilo, OR, in anticipation of the 50th Anniversary, Flooding of Celilo Falls (Nov. 17, 2006).
Keynote Speaker, "The Law of Ecosystem Restoration: National Policy Implications of the Clark Fork River Basin Natural Resource Damage Program," 30th Annual Public Land Law Conference, University of Montana, Missoula (Sept. 25-27, 2006).
Presentation, "Tribes and Natural Resource Damages," Tribal Leadership Conference - Protecting Our Tribal Harvest (sponsored by the U.S. Environmental Protection Agency), at Confederated Tribes of the Umatilla Indian Reservation, Umatilla, OR (Aug. 23, 2006).
"The Si'lailo Way: The Natives' Legal Defense of Celilo Falls," (December 7, 2005).
Water Settlement Conference, Moscow, ID, (October 1, 2005).
Forging Solutions: Applying Ecological Economics to Current Problems, U.S. Society for Ecological Economics Conference, Tacoma, Wa., (July 20-23, 2005).
Developing Tribal Energy in the Northwest, Law Seminars International, Seattle, Wa., (June 16-17, 2005).
Pacific Northwest Indian Treaties in National and International Historical Perspective, University of Washington, (March 13-14, 2005).
2005 National Fishery Law Symposium, Seattle, Wa., (March 10-11, 2005).
23rd Public Interest Environmental Law Conference, University of Oregon, (March 3-6, 2005).
2005 AALS Annual Meeting, San Francisco, Ca., (January 6-8, 2005).
"First in Time, First in Right? Indian Tribes of the Northwest and Sustainable Fisheries," (handouts pdf version) University of Washington, Bevan Series: Fishing Rights or Fishing Wrongs presented by the School of Aquatic and Fishery Sciences, Seattle, Washington (April 30, 2004).
Handout version of presentation (pdf)
"Creative Moments in Environmental Law," University of Washington, on the occasion of the First Meeting of the Advisory Board of the Kathy and Steve Berman Environmental Law Clinic, School of Law, Seattle, Washington (March 30, 2004).
"NEPA in Indian Country: Making Use of the Federal Government's Planning Documents," Tribal Environmental Review Clinic sponsored by the Tulalip Tribes, Mayflower Park Hotel, Seattle, Washington (March 15, 2004).
"Environmental Law and the Theory of Deception," University of Washington Retirement Association, Walker Ames Room, Kane Hall, Seattle, Washington (February 19, 2004).
"Inspirational Environmental Law in Indian Country," Environmental Management Conference, Coeur D'Alene Tribe, Worley, Idaho (October 8, 2003).
"Best Available Science for Fisheries Management: A Legal Survey," National Research Council, Ocean Studies Board, Committee on Defining Best Available Science for Fisheries Management, Meeting One, Seattle, Washington (July 16-17, 2003).
"Evolutionary Theory and Environmental Law: Is Homo Sapiens Capable of Sustainable Behavior?" Gruter Institute for Law and Behavioral Research Teaching Seminar, Squaw Valley, California (June 2003).
"Evolutionary Theory: Emotions and Communication," Gruter Institute for Law and Behavioral Research, Squaw Valley, California (June 2003).
"Improving Laws, Declining World - The Tort of Contamination," Annual Conference of the National Environmental Law Societies (NAELS), University of Maryland School of Law, Baltimore, MD (March 2003).
"Environmental Law in Indian Country," ABA Section on Administrative Law and Regulatory Practice, Seattle, Washington (February 7, 2003).
"The Tort of Contamination," Monsanto Lecture, Valparaiso University School of Law, Valparaiso, Indiana (February 2003).
"Environmental Law in Indian Country: Update on Agriculture," University of Arizona School of Law, Tucson, Arizona (October 2002).
"Fighting Phantoms: Courage, Environmental Law and Free Speech," Hugo L. Black Lecture, University of Alabama School of Law, Tuscaloosa, Alabama (October 2002).
"Environmental Law in Indian County: Update on Alaska," Native American Law Center, University of Washington School of Law, Seattle, Washington (May 2002).
"Growth and Form: Indian Tribes, Terrorism, and the Durability of Environmental Law," 2002 Waterman Lecture, Vermont Law School (2002).
"Sense of Justice," Gruter Institute (June 2000).
First Annual Wallace Stegner Lecture, Stegner Center, University of Utah College of Law (March 30, 2000).
"Growth and Form: Developmental Constraints on Science Policy on the Columbia River," Panel on Columbia River Salmon, Association for Advancement of American Science, Washington, DC (February 21, 2000).
"Endangered Species Act," Keynote Speaker, Law Seminars International (January 27, 2000).
"Environmental Law in Indian Country," Intertribal Council of Arizona, Phoenix, Arizona (November 23, 1999).
Speaker, Environmental Restoration Conference, University of Arizona, College of Law, Tucson, Arizona (November 11-13, 1999).
"The Most Creative Moments in the History of Environmental Law: 'The Who's,'" Lecture, Myrl L. Duncan Endowed Lecturer Series, Washburn University, Topeka, Kansas (March 12, 1999).
Keynote Lecture, California Environmental Law Institute, Yosemite, California (October 1997).
Lecturer, more than 20 law schools, including The Third Annual Lloyd K. Garrison Lecture, Pace University School of Law (April 1997).
"Environmental Law: History, Sources, and Pictures," Annual Meeting, American Association of Law Librarians, Seattle, Washington (July 11, 1994).
"Salmon and the Columbia River," Moderator and Interrogator, Sponsored by the Seattle PI and Foundation for American Communications (for newspaper and television reporters), Seattle, WA (May 13, 1994).
"Sudden Migration: The Problem of Nonindigenous Species," Speech, Conference sponsored by Gruter Institute and Brookings Institute, Washington, DC (May 1994).
"A Pictorial History of U.S. Environmental Law," Keynote Speaker, Conference on grassroots Organizations and Environmental Law, Eugene, Oregon (March 5, 1994).
"Twenty-Five Years of Environmental Law," Keynote Lecture, AALS Annual Meeting, Orlando, Florida (January 1994).
"Environmental Law of the U.S. and Taiwan," Taiwan Conference (March 1993).