1. Intergovernmental Panel on Climate Change (2007) Climate Change 2007: Synthesis Report (Intergovernmental Panel on Climate Change, Geneva). Available at www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_synthesis_report.htm. Accessed October 10, 2012
2. Stabilization Wedges: Solving the Climate Problem for the Next 50 Years with Current Technologies
3. The Technology Path to Deep Greenhouse Gas Emissions Cuts by 2050: The Pivotal Role of Electricity
4. United Nations (1998) Kyoto Protocol to the United Nations Framework Convention on Climate Change. Available at unfccc.int/kyoto_protocol/items/2830.php/. Accessed October 10, 2012
5. National Research Council (2013) Transitions to Alternative Vehicles and Fuels. Available at www.nap.edu/catalog.php?record_id=18264. Accessed April 10, 2013