What Are The Alternative Energy Sources ?

Alternative Energy sources are becoming so controversial nowadays Due to their efficiency and their low impact on the environment ,But Nothing is really perfect because alternative energy sources Do have some disadvantages ,But anyways scientist are working on developing these kind of Energy sources to overcome their disadvantages and reach with them to their maximum Efficiency.

But there is no doubt that renewable energy still the best kinda of energy to use to produce electricity. The following video I have picked for you guys to fully understand the different alternative energy sources.