sábado, 26 de enero de 2013

What is it?

Geothermal energy  is the energy we get from the heat from the Earth. It is known as an alternative energy source because it is clean and sustainable. Below the Earth's core (4,000 miles under the Earth's surface), there is a layer of hot and molten rock called magma. Heat is produced there, mostly from the decay of naturally radioactive materials such as uranium and potassium. 



Technologies have been developed to take advantage of geothermal energy:

 Geothermal Electricity Production- Making electricity out of the earth's heat.
 Geothermal Direct Use- Producing heat directly from hot water within the earth
      • Geothermal Heat Pumps- Using the shallow ground to heat and cool buildings. 


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