What Is Geothermal Energy ?Updated on 04.28.2021
15 min read
© THINKSTOCK - The Earth's heat stems from the planet's formation and its natural radioactivity.
What Is Geothermal Energy?
As you descend deeper into the subsoil and the Earth’s crust, underground rock and wate...Learn more
Very Low-Temperature Geothermal Energy
Very low-temperature geothermal energy can be recovered from heat sources under 30°C lo...Learn more
Geothermal Energy Through the Ages
The Earth’s heat is a source of energy that has been used since ancient times.Learn more