geothermal energy pros and cons

Geothermal Energy: Pros and Cons

Geothermal energy is not new. In a very strong sense, prehistoric people who used caves or dug their homes into hillsides were using geothermal energy. Once you are below the frost line, which will vary by location, the Earth tends to maintain a stable temperature between 50 to 70 degrees Fahrenheit. For example, if you … Read more