dezeen Posted September 17, 2013 Report Share Posted September 17, 2013 News: a water-filtration system that uses plants to extract arsenic from water supplies and allows the user to sell the poisonous substance at a profit has been voted the "Idea that will change the world" at the Global Design Forum in London today (+ interview). (more...) View the full article Link to comment Share on other sites More sharing options...
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