THE CITYTREE BY GREEN CITY SOLUTIONS IS HELPING TO BATTLE AIR POLLUTION

The Founders of Green City Solution in front of the CityTree (l.t.r.: Peter Sänger, Victor Splittgerber, Zhengliang Wu, Dénes Honus) © Green City Solutions

SYNOPSIS

[dropcap size=big]G[/dropcap]reen City Solutions is a biotech and IoT startup finding solutions to solve the challenge of air pollution reduction. To this end, the company has developed “CityTree”, a free standing solution to air pollution that features a special vegetative culture which is able to absorb pollutants that occur within the urban environment. Each CityTree is said to have the effect of up to 275 trees, (in terms of combating pollution) with a reach of up to 50 metres but taking up less than 1% traditional trees would require and with little-to-no ground work.

FROM THE DEVELOPERS,

[dropcap size=big]E[/dropcap]very day 90 % of cities’ inhabitants breathe polluted air which becomes the cause of every 7th death worldwide. The major components of air pollution are nitrogen oxides, ozone and especially fine dust (PM), of which 10μg per m³ of air shorten the life span by half a year. At the same time the global population goes urban and in 2050 80% of world’s population will live in cities.

Green City Solutions addresses this global problem by combining a special, vertical installed moos culture, with our own developed Internet-of-Things (IoT) technology for its optimal maintenance. Our patented product, the ‘CityTree’, is a 4 meter-high, 3m-wide and 60cm-deep, freestanding unit. It combines specific moss cultures with vascular plant that eat particulate matter (PM), nitrogen dioxide and ozone – offsetting 240 tons of CO2-equivalents per year in total. The plant filter can be adapted to any environment. The construction contains sensors collecting environmental and climatic data, to regulate and control the unit and ensure that the plants survive. Thus, the CityTree has the same effect as up to 275 urban trees, but requires 99% less space and 5% of the cost. Thanks to solar panels and rain water retention systems, the unit requires only a few hours of maintenance per year.

INDOOR VERSION

OUTDOOR VERSION

Since the beginning of our venture we have implemented our product in several European cities with current installations in Norway, France, Germany, Belgium, Macedonia and Hong Kong.

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