- “Curating the Bay: Crowdsourcing a New Environmental History”
May 11, 2013
The California Historical Society, San Francisco
- “How Climate Science Became a Debate in America”
Why History Matters
May 2, 2013
University of California, Los Angeles
- “A Place for Us: Reimagining and Reclaiming”
Conversations in Place
November 10, 2013
The Rancho Los Alamitos, Long Beach
- “Should We Just Adapt to Climate Change?” Los Angeles, CA, February 2013
Report | Video | Podcast
- “Thinking 150: Placing Boise in the American West,” Boise, ID, February 2013
- “Ecological Urbanisms: Our Shared History of Conservation Is an Infinite City of Possibilities for the Future,” Bay Area Open Space Conference, San Francisco, CA, May 2012.
- “Nature and the City: What Good Is Urban Conservation?” New York Academy of Sciences, April 2012.
- “History Lives Here and Now: On the Bleeding Edge of Digital Research, Online Publishing, Interactive Visualizations, and Public History,” University of New Mexico, April 2012.
- “Assessing Value: Lessons from the Arts and Social Sciences,” Western States Arts Federation, April 2012.
- “Going to the Country,” Aspen Environment Forum, May 2011.
- “Ecology Emerges Series,” San Francisco and Oakland, March – May 2010.
- “How Green?” American Association for the Advancement of Science, Pacific Division, Annual Meeting, Boise, ID, June 2007.
- “From the Tide Pool to the Stars,” Saratoga Club, January 2005; California Science Writers, San Francisco, CA, December 2004; Commonwealth Club, September 2004; City Read 2004, Danville, CA, September 2004; National Steinbeck Center, August 2004.