Geothermal Energy Information and Facts | National Geographic

GEOTHERMAL ENERGY has been used for thousands of years in some countries for cooking and heating. It is simply power derived from the Earth’s internal heat.

This thermal energy is contained in the rock and fluids beneath Earth’s crust. It can be found from shallow ground to several miles below the surface, and even farther down to the extremely hot molten rock called magma.

How Is It Used?

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