Geothermal


 * __Geothermal Power-__ ** is power extracted from heat stored in the earth

Geothermal Power originates from the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface.

__Advantages:__ 1. cost effective 2. reliable 3. sustainable 4. environmentally friendly

__Disadvantages:__ 1. available in only certain areas 2. drilling is expensive and complex 3. may not be continous source of heat

Geothermal power can supply human needs, however, only a small portion of it can be showed profitably