Renewable Electricity Standards: State Success Stories, with the Governors Wind Energy Coalition, March 2013. (PDF)
The Machine in the Garden: Linking Biofuels Research and Development to Ecological Principles, with Gretchen Bonfert, March 2008 poster presentation at the Conference on the Ecological Dimensions of Biofuels. (PDF)
Wind Empowerment Zones, Energy Foundation, September 1999. (PDF)
A Discussion and Critique of Market Transformation: Challenges and Perspectives, Energy Center of Wisconsin, with Dan York, June 1999.
Powerful Solutions: Seven Ways to Switch America to Renewable Electricity, Union of Concerned Scientists, January 1999. With Alan Nogee, Steve Clemmer, and Brent Haddad.
Green Power In Perspective: Lessons from Green Marketing of Consumer Goods, Electricity Journal, January-February 1998. (PDF)
Determinants of Effectiveness for Environmental Certification and Labeling Programs, Abt Associates, for the US Environmental Protection Agency, April 1994, with Andrew Stoeckle, and Han Wang.
“Enviro CD-ROMs“, Living on Earth (NPR), December 2, 1994.