Moss living walls on trial

The Crown Estate is to trial installations of CityTree in London's West End, following Glasgows example. This moss-based living wall removes harmful particulate matter and nitrogen dioxide from the air. CityTree which was installed in Glasgow last year for a trial, claims to deliver 275 times the air cleaning capability of a single tree while taking up 1% of the space that would be needed to achieve the same results using real trees. For the full article clilck here.