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What is geothermal energy?

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Geothermal energy is thermal energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter. The geothermal energy of the Earth's crust originates from the original formation of the planet and from radioactive decay of materials (in currently uncertain but possibly roughly equal proportions). read more

Geothermal energy is the heat from the Earth. It's clean and sustainable. Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma. read more

The production of geothermal energy involves drilling wells into the Earth’s crust at approximately a depth of 3-10 km. The heat is extracted with a variety of methods but in most cases is drawn from the Earth using water and steam. read more

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Biodiesel and geothermal energy
Source: slideshare.net

Further Research

Geothermal Energy Technology
www.renewableenergyworld.com

What is Geothermal Energy
www.technologystudent.com

What is Geothermal Energy?
www.geothermal-energy.org

What is Geothermal?
geothermal.org