Beneath Our Feet: An Introduction to Geothermal Energy

As scientists begin digging deeper into the possibilities for renewable energy, they look to the sun, the wind, and other renewable options for cleaner, greener sources. Another possibility may be right beneath our feet — geothermal energy.
In our discussions on renewable energy sources, we’ve already covered a few of the most common types of alternative energy, such as wind, solar, and bioenergy…