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A comment on Google’s Ray Kurzweil predicts how the world will change. Parent comment

Re:Google’s Ray Kurzweil predicts how the world will change by Zigurd on Monday January 13, 2014 @11:20AM (#7051422)
Hydro power is proven economical, but it can be, approximately, tripled worldwide IF you displace tens of millions of people. In North America only small increments can be added.
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Re:Google’s Ray Kurzweil predicts how the world will change by joosters on Monday January 13, 2014 @11:42AM (#7051620)
Sure sure, but I'm not promoting its further use. The point being, to get to 100% solar you'd have to abandon it!
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Re:Google’s Ray Kurzweil predicts how the world will change by jameshart on Monday January 13, 2014 @12:30PM (#7051987)
Hydro is solar power. How else does the water gets back to the top of the stream? :)
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