What is geothermal energy? It is a source of energy using the heat that is already in the earth. It uses steam and hot water that is trapped in layers underneath the surface and converts it into electricity or energy. Many countries rely on this method already as a heating source. There are over 20 countries that use this for heating and/or cooling or electricity. The huge benefit for geothermal energy is that it can be extracted without the use of a fossil fuel such as coal or oil. The only problem is that it releases hydrogen sulfide, which at low concentrations smells like rotten eggs. There is also the fluids that are left over that have a slight toxin level to them. To read more about geothermal energy, click here.
Source: "Geothermal Energy Information, Geothermal Power Facts - National Geographic." National Geographic. N.p., n.d. Web. 26 May 2014.
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