- Energy, Environment & Economy: Trade-Offs When Managing Wastes for Sustainability and Resiliency, Pacific Northwest Regional Economic Conference 2018
- Rhythms & Reasons in Recycling Markets, Green Business Certification International TRUE Markets webinar series, summer 2018
- Managing Biogenic Materials: Store or Burn Carbon, or Both?, BioCycle’s Renewable Energy from Organics Recycling (REFOR17)
- Life Cycle Assessment (LCA): More Than Just Trucks, MRFs & Climate Change, National Recycling Coalition Sustainable Materials Management Webinar, April 2015
- Recycle, Bury or Burn Clean Wood Waste? SWANA Northwest Materials Management Forum, February 2015
- Is Waste a Good Source of Energy? Earth, Wind & Fire Energy Summit, Dallas, TX, October 2014
- Zero Waste Composting (with Kate Davenport from Eureka Recycling), BioCycle’s Renewable Energy from Organics Recycling (REFOR13)
- Recycling & Climate Change: How Recycling Reduces GHGs and What Works to Increase Recycling, Resource Recycling Conference, San Antonio, TX, October 2010
- Zero Waste in Sustainable Cities: The Importance of Zero Waste for Sustainability, Address to the Resilient Cities Conference, Vancouver, British Columbia, October 2009
- The Green Economy, Keynote Address to the Recycling Council of British Columbia’s Green Economy Summit, May 2009
- 3Rs versus 2Ds (reduce, reuse, recycle vs. dump, destroy), Address to the Recycling Council of British Columbia’s Green Economy Summit, May 2009
- Consumption – The Final Frontier: Tracking Progress Using the Washington State Consumer Environmental Index (CEI), presentation at the Washington State Department of Ecology, July 2007
Zero Waste in the 21st Century