The five leading sources of energy in the world today are fossil fuels, nuclear power, and large-scale hydroelectric plants.  These five sources of energy have proven to be somewhat detrimental to the environment in many ways.  It has also been proven that sources such as fossil fuels have a limited supply and will someday run out.  Thus, it is imperative that we, as the human race find and utilize as many types of alternate energy sources as possible. The goal behind these new energy sources is that they are all

Renewable,

Sustainable,

&