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Harvesting water from the air

The tower invented by Italian designer Arturo Vittori can collect an average of 50 to 100 liters of drinking water per day. Around 10 meters high and made of woven rushes, the delicate structure collects rain and harvests fog and dew from the air. How does it work? Water from the air condenses and raindrops are collected on a fine mesh made of bioplastic fixed inside the woven shell of the tower. The harvested water drips down, runs through a filter and is then collected in a 3,000-liter water tank. The Warka Water system has a onetime cost of around $1,000. A prototype has been tested in Ethiopia since May 2015 and mass production is scheduled to start in 2019. Only around one-third of all Ethiopians have access to clean drinking water.  

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