As a whole, renewable energies are big advantage for society because the source are just easy to access and you need not to pay. Here are the renewable resources:
(1) Solar Power - It is a way of obtaining usable energy from the light of the sun. Why not take advantage of the increasing heat of the sun as energy?
(2) Wind Power - It is a way of obtaining usable energy from the wind. There are places in the world that is very windy.
(3) Hydropower - It is a way of obtaining usable energy from water that falls or moving. Because of the force it exerts, most especially to waterfalls, it create a big push to produce energy.