Hey, i’ve got to do a research project for school, and i know that geothermal is generated in the earth’s core about 4000 miles below the surface. but i don’t know what is it exactly. and in a normal everyday home, how can it help you to be GREEN?

(may be broke/outdated!)
Hey, i’ve got to do a research project for school, and i know that geothermal is generated in the earth’s core about 4000 miles below the surface. but i don’t know what is it exactly. and in a normal everyday home, how can it help you to be GREEN?