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Re: Water: Where will it come from in 2050?
From the sewage water treatment plants, of course! 
There may not be any viable economical alternatives, I believe 
For example see this article in New Scientist, it is titled pee cycling:
Pee-cycling - earth - 20 December 2006 - New Scientist Environment
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While engaged in the pursuit of the truth always be ready for the unexpected; for change alone is constant.
Last edited by hallenrm; 12-31-2006 at 09:53 PM..
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