How a pollution eating ‘tree’ is cleaning cities’ air

Jonathan Andrews spoke to Victor Splittgerber, CTO & Co-Founder, Green City Solutions, about a new form of urban street furniture that 'eats' pollution at the pedestrian level

How does it work?

Green City Solutions addresses the global problem of air pollution by combining a special, vertical installed moss culture with Internet-of-Things (IoT) technology. Called the CityTree, it combines specific plants that eat particulate matter (PM), nitrogen dioxide and ozone–offsetting 240 tonnes of CO2 equivalents per year in total. The plant filter has the same effect as up to 275 urban trees, but requires 99 percent less space. The construction contains sensors collecting environmental and...