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.
Cost-Effectiveness of Greenhouse Gas Emission Reductions from Plug-in Hybrid Electric Vehicles. Brookings-Google Plug-in Hybrid Summit .. 2008.
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.