Renewable sources of energy are quite eco-friendly,helps to prevent global warming and are available in surpluse amount.Utilization of the renewable resources instead of non-renewable resources will help us to solve the energy crisis that the world is confronting today.and by this,we won't run out of energy resources in future.In my portfolio i've executed that man must make use of renewable resources like solar energy,wind energy(wind mills),bio-gas,bio-diesel,tidal energy,wave energy and ocean thermal energy,that make use of turbine to generate electricity.