Geothermal and Hydro-electric Power

Geothermal Power - Energy from Underground

Geothermal power uses energy from underground thermal enery stores.

1) This is only possible in volcanic areas where hot rocks lie quite near to the surface. The source of much of the energy is the slow decay of various radioactive elements, including uranium, deep inside the Earth

2) This is actually brilliant free energy that's reliable with very few environmental problems

3) Geothermal energy can be used to generate electricity, or to heat buildings directly

4) The main drawbacks with geothermal energy are that there aren't very many suitable locations for power plants and that the cost of building a power plants is often high compared to the amount…