- University of Oxford, Jan 20, 2010
- Woodland League of Women Voters, Annual Luncheon, California's Experiment: Bellwether or Bust. It's up to us. Feb 24, 2010
- University of Southern California, Mar 10, 2010
- Renaissance Society Forum, Mar 26, 2010
- Hosted by Sierra Club, Sponsored by many NGOs, 'Climate Change, Causes, Solutions, Nov 30, 2009, flyer, Slides
- United Nations Association, Sacramento Chapter, Annual UN Day Dinner, 'Climate Change: The Road to Copenhagen December 2009', Oct 24, 2009
- Climate Change Community Education Forum, Sponsored by the | Sacramento League of Women Voters, June 22, 2009
- Physicians for Social Responsibility, Fifth Annual Dinner, 'Five things you can do to reduce your greenhouse gas emissions', October 4, 2008.