The Ecological Impact of Biofuels. Annual Review of Ecology, Evolution, and Systematics. 41(1):351-377.. 2010.
Accounting for the water impacts of ethanol production. Environmental Research Letters. 5(1):014020.. 2010.
Towards a low carbon economy: Municipal financing for energy efficiency and solar power. Environment Magazine. 2009(January/February). 2009.
Possibility and potential of clean development mechanisms in China. Environmental Research Letters. 2(4):044005.. 2007.
Molasses for ethanol: the economic and environmental impacts of a new pathway for the lifecycle greenhouse gas analysis of sugarcane ethanol. Environmental Research Letters. 4(4):044005.. 2009.
What History Can Teach Us About the Future Costs of U.S. Nuclear Power. Environmental Science and Technology.. 2007.
Quantifying Carbon Footprint Reduction Opportunities for U.S. Households and Communities. Environmental Science & Technology.. 2011.
Investing in the Future: R&D's Needs to Meet America's Energy and Climate Needs. Select Committee on Energy Independence and Global Warming.. 2008.
Incremental and Transformational Change ( Innovations Case Discussion : Better Place). Innovations: Technology, Governance, Globalization. 4(4):141-143.. 2009.
Innovation Agenda. UNEP: Our Planet. (Generating Power, Jobs and Development):26-28.. 2008.
Hearing: A 10 Year Outlook for Energy. Committee on Appropriations, Subcommittee on Energy and Water, United States House of Representatives.. 2007.
Renewables 2007: Global Status Report. Renewables 2007.. 2008.
Testimony for the September 25, 2007 Hearing on: Green Jobs Created by Global Warming Initiatives. Committee on Environment and Public Works.. 2007.
It takes a community to define a discipline: the 5th anniversary of Environmental Research Letters. ENVIRONMENTAL RESEARCH LETTERS.. 2012.
Testimony for the November 8, 2007 Hearing on: Opportunities for Greenhouse Gas Emissions ReductionsOpportunities for Greenhouse Gas Emissions Reductions. Committee on Oversight and Government Reform.. 2007.
Turning words in action on climate change. Carbon Management. 4(2). 2013.
Biofuel's Time of Transition. :14-15.. 2008.