As I don't believe either we in the west or the developing world will ever EVER fundamntally change our behaviour and covering the whole of the Isle of Wight in windfarms will cost a fortune and maybe mean people in Hampshire can boil a kettle twice a day...then the answer is Nuclear but I know the pavlovian response thet elicits among the people* of places like SE22, N1, Hampstead, etc etc *still not using the "L" word