Challenge / Goal
Wandsworth is a London Borough located on the southwest part of the Greater London. Putney, a district of Wandsworth is partitioned by two main arterial roads, the A205 Upper Richmond Road and Putney High Street. The latter, is one of London's most frequented roads for its high commercial activity, thus air pollution has lately become a pressing problem. Due to the increasing traffic flow and high levels of air pollutants, the borough was declared an Air Quality Management Area (AQMA) since 2001.
Key actions in Wandsworth ´s Air Quality Action Plan are to increase the usage of active modes of transportation and to relocate street space to offer safer bike lanes and side-walks. The challenge was therefore, to offer additional solutions to city dwellers to improve their commuting conditions.
The solution proposed by Green City Solutions entailed the installation of urban filters. These are integrated moss modules filtering fine dust particles from the surrounding air, whilst simultaneously producing oxygen. The filters are supported by intelligent automated ventilation and irrigation systems that preserve the filtering ability of the living moss.
Moss leaves are characterised by having a large surface area that enables them to filter and attract a higher volume of air. Their root system has minimal contact with soil, allowing them to grow in the vertical modules. Similarly, their metabolism requires the digestion of trace elements from the atmosphere. In this way they are able to accumulate and retain air pollutants.
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Planning time: 0.5 - 1 years
Implementation time: < 0.5 years
Green City Solutions, Wandsworth London Borough Council