The University of Engineering and Technology in Peru and the Peruvian ad agency DraftFCBand have come together to create the world's first water-producing billboard. The billboard takes humidity out of the air, of which Peru's climate contains 98%, and purifies it. This creates potable water for desert communities that can get as little as 0.5" of rain annually.
By reducing the dependence on dirty wells and introducing a replenishing water source, the Potable Water Generator is improving the lives of those in the third world, who need this type of access the most.
(Source: Huffington Post)
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