Tuesday, April 2, 2013

Agua from Thin Air

Lima, Peru’s capital city, receives less than one inch of rain each year, forcing some residents to get their water from dirty wells. Despite the lack of rain, the high humidity makes it possible to harvest water directly from the city’s air, providing a sustainable, alternative source of drinkable water.

Peruvian researchers have collaborated with an ad agency to create an unusual billboard that generates drinking water from thin air. 

While fulfilling its traditional role as an advertising tool, the billboard also harvests moisture directly from the air, which is then processed through a filtration system. 

Capable of producing 25 gallons (96 liters) of water a day during summer, the billboard has provided 9,450 liters of clean drinking water for a nearby community in the three months since it was first installed.

Source: Inhabit.com

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