We use geothermal plants, but are the really safe? Check out this article and find out if geothermal plants safe. (@phdinsexy Neither does wind, but geothermal is neverending and more reliable. The risks are miniscule.
As mentioned earlier, all energy technologies carry risk. Recent scientific research linking fracking and geothermal production to earthquakes should cause us to approach this vital energy source with caution. Aloha, Russ.
See on science.howstuffworks.com