Ha Ha! Run a 48-wagon heavy goods train using wind energy! Electricity is not just for lighting a small lamp in a house... it has plenty of industrial requirements.... Environmentalists cry when we make dams even for meeting power requirements for kitchen use... source of diesal and coal products will be finished in next 30 to 40 years... you will see light... but your children will be in darkness... but remember... we have responsibility to our future generations too... :)