Isn't that what Geo-thermal energy is :) http://en.wikipedia.org/wiki/Geothermal_energy http://en.wikipedia.org/wiki/Geothermal_energy ? Hot springs are the sam

Isn't that what Geo-thermal energy is :) http://en.wikipedia.org/wiki/Geothermal_energy http://en.wikipedia.org/wiki/Geothermal_energy ? Hot springs are the same thing, only the conductor is water.