We've made great progress with renewable energy -- but from an almost zero base we still have a long way to go. Fortunately, the path is clear. California is already over 12% with a combination of hydroelectric, wind and solar (unfortunately not much hydro this year). Getting to 50% only requires the deployment of existing technology. But can we get to 100%?
It depends on whom you ask. Our society has made these transitions before, with new energy technologies disrupting the incumbents. 200 yea...
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