While in the first world, we're working to conserve water with tools like the water drop, the developing world is still figuring out how to access clean water to begin with. SEED magazine has a new piece out about a pair of scientists working on the "water refill" industry, which utilizes low-cost technology to purify water on site in locally run businesses. Like micro credit, maybe micro tech can lead to big changes -- if it can outpace water pollution and shortages. Is there a system in place to measure, for instance, the rate of waterborn illnesses? Time will hopefully tell.
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Another group doing great work in this area is P&G's Children's Safe Drinking Water Program run by Dr Greg Allgood. Couple of links to more info are his blog at:
http://childrensafedrinkingwater.typepad.com/
and video of a talk he gave about the program
http://fora.tv/2009/03/31/Greg_Allgood_Making_Water_PUR
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