How it Works: Geothermal Electricity (Al Jazeera English)
A very good video explaining geothermal energy including a call for oil/geothermal co-production.
The deeper you go into the earth's core, the hotter it becomes. Some of this vast energy is already harnessed by geothermal power plants which use steam from heated water deep underground to drive turbines and generate electricity.
(VIDEO 2:16 Minutes)
