"Tackling Climate Change in the U.S.: Potential Carbon Emissions Reductions from Energy Efficiency and Renewable Energy by 2030" is a landmark report released by the American Solar Energy Society in January, 2007.

Read Chapter 9 of the report, "Potential Carbon Emissions Reductions from Geothermal Power by 2030," co-authored by Martin Vorum of the National Renewable Energy Laboratory and Jefferson Tester of the Massachusetts Institute of Technology.