Geothermal systems extract heat from the earth’s surface. This clean, renewable energy source depends more on the consistency of underground temperature instead of the fickle weather above the ground. If you’ve visited a cave or mine, you may be aware of this phenomenon.

 Used for both cooling and heating purposes, the geothermal systems can be found almost anywhere. As more countries and cities around the world work to reduce their dependence on fossil fuels, more areas consider this clean