- “The Hyperloop and the Annihilation of Space and Time,” NewYorker.com, 21 August 2013.
- “Researchers Seek Stories About Experiencing the Bay,” San Francisco Chronicle, 6 April 2013.
- “Ecological Urbanism for the 21st Century,” The Chronicle of Higher Education Chronicle Review, 27 January 2012.
- “Conservation Everywhere,” Conservation, Winter 2012.
- “Save the Bay: Version 2.0,” San Francisco Chronicle, 20 November 2011.
- “Saving California’s Golden Hills,” San Francisco Chronicle, 21 August 2011.
- “Who Moved My Glacier?” The New York Times, Sunday Opinion, 23 December 2007.
- “The Great Wilderness Compromise,” High Country News, 22 January 2007.
- “How To Stop Conservation Donors from Cheating on Their Taxes,” with Terry Anderson, Chronicle of Philanthropy, 28 April 2005.
- “The Uneasy Chair,” a quarterly column in Conservation in Practice, 2004-2006.
