What is geothermal energy? How is it harnessed?

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What is geothermal energy? How is it harnessed?

Geothermal energy is a form of renewable energy that is derived from the heat stored within the Earth's core. It is harnessed by tapping into the natural heat reservoirs beneath the Earth's surface. This is done by drilling deep wells into the geothermal reservoirs and extracting the hot water or steam that is present. The hot water or steam is then used to generate electricity through a geothermal power plant. Additionally, geothermal energy can also be used directly for heating and cooling purposes in homes and buildings through the use of geothermal heat pumps.