Freshwater Skyscraper: A water-purifying tower

04/23/2012 | EarthTechling.com

The Freshwater Skyscraper is a concept developed by French designers that takes brackish water and makes it clean. The tower, which looks like bubbles piled atop one another, is filled with water-filtering mangroves and uses transpiration to clean the water. Each tower is expected to collect as much as 8,000 gallons of water that could be used for irrigation.

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