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Futuristic 'CityTree' uses moss to clean urban air

Jun 29, 2017, 7:48 AM EDT
(Source: Jon Bunting/flickr)
(Source: Jon Bunting/flickr)

A German startup, Green City Solutions, has combined the power of biology and the ease of automated Internet Of Things (IoT) technology to present a high-tech mobile installation, called CityTree, which is basically a unit with vertically packed moss cultures that purify the urban air with the power of 275 natural trees.

The CityTree, which purifies air within the radius of 50 meters, doubles up as a display medium allowing the owners to serve images, billboards, digital data, etc. via a QR code, iBeacon or NFC, notes Tree Hugger.

Moss cultures have a relatively larger leaf surface area and can capture dust, nitrogen dioxide and ozone gases from the air, writes CNN. The solar-powered installation works autonomously, watering the moss with rainwater collected in a reservoir.

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