Geothermal heating and cooling - Future's fuel right under our feet
| October 28, 2007 |  View for printing |
Tapping Earth's subsurface heat as a source of energy is a concept that's starting to gain steam in Colorado.
Unlike the better-known underground energy sources of oil and natural gas, geothermal energy is less developed but holds major potential for both residential and utility-scale projects.
Proponents see it as a near-perfect source of clean energy with virtually no carbon emissions. The resource is abundant, renewable and gentler on the environment than fossil fuels. Still, geothermal energy has its own unknowns and limitations.
Colorado is reported to have one of the nation's larger geothermal resources, thanks to geologic formations that allow Earth's molten core to work its way closer to the surface.
By Steve Raabe The Denver Post
Full Story: http://www.denverpost.com/business/ci_7294616
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