In the dessert city of Lima, Peru, only 13 inches of rain fall each year. Frequently, there's no precipitation in a span of a month.
The Peruvian coast's low levels of rainfall have caused a lack of necessary portable water for the capital's population. Recently, a bright blue billboard was erected to help the local water problem. Leveraging the city's constant 98% humidity levels, engineers at the University of Engineering and Technology in Peru and a marketing agency called the Mayo DraftFCB have built a billboard that houses generators designed to pull and purify water from the air.
The miracle billboard has produced 9450 liters of water in three months--enough water for hundreds of local families. Instead of drawing water from polluted wells, the residents can now walk to the billboard and turn on a faucet for clean, cool drinking water.
[via PSFK]
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