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b_b · 4050 days ago · link · · parent · post: The real threat to our future is peak water | Lester Brown | Global development | The Observer
It's as pure as evaporated water gets (which should be eminently drinkable). The basic premise is a personal use system that poor people in areas near the ocean could use. The waves push water in, and the sun dries it out. Simple. It's basically concentric clear plastic channels with some modifications for letting water in and out.
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Complexity · 4050 days ago · link ·
This is quite saucy, too, for those far from the coast: http://www.gizmag.com/airdrop-wins-james-dyson-award/20471/