Understanding Geothermal Energy - Tri-State News, Weather & Sports

Understanding Geothermal Energy

The heat energy from within the earth is known as geothermal energy. Scientists believe tapping geothermal energy would be a sustainable solution to reduce the effects of global warming and dependence on fossil fuels. This article gives a brief introduction to geothermal energy and how it works.

The term geothermal energy is derived from the Greek word "Geo" meaning "earth" and "Therme" meaning "heat". Hence, geothermal energy is the heat energy from within the earth. You could use the hot water (hot springs and geysers) and steam inside the earth's crust to produce electricity and also heat buildings. An interesting ecological fact is geothermal energy could be renewed. The water levels are recovered by timely rainfall and the heat is produced within the earth. Therefore the geothermal energy is a renewable source of energy.

Are you aware of the fact geothermal energy is produced approximately 4,000 miles below the surface of the earth? The temperature inside the earth is much higher than the temperature of the sun's surface. This is because of the radioactive process, which constantly takes place in the rocky crust within the earth. The geothermal energy is used directly by people around the world in the home heating systems and also to generate geothermal electricity.


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