What matters is global energy demand and how you're going to meet it with alternative energy sources (non-fossil fuel).  

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Solar and wind have their place but they will never be able to meet global energy demand.  At best, at their most efficient, "green energy" could pick  up 16% of the world's energy demand.  It's just not a feasible primary power source, and there's no way it ever could be.

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Nuclear power is the ONLY option, this is not an opinion, it's a fact.  People that are worried are climate change and don't take nuclear power seriously are not serious about climate change.