Solar energy is used by setting up panels that take in the suns radiation and turns it into electricity. Solar energy is is the best way to use energy. It reduces the amount of pollution by replacing some of the coal in some factories. Also solar panels are not that expensive. The prices of solar panels declined by 60% since the start of 2011. By this fact it is hard to belive that solar panels are only on 1 percent of homes in the us.
Pro- They are cheap, they are harmless to the envierment,