Geothermal energy is heat derived from the Earth. It is both clean and sustainable. It can be excavated from shallow ground, hot water, hot rocks, and magma. Geothermal energy can be extracted through power plants and heat pumps.

There are three types of geothermal power plants. The first type is called dry steam and uses heat from deep within the Earth to generate steam, which produces electricity. Wells drill into the Earth and pump hot water to the surface under high pressures. Once at...


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