Could green roofs offer a solution to urban environmental challenges?

Could green roofs offer a solution to the challenges urban environments face, asks Peter Dowdal

IT’S a buzzword in many urban planning circles around the world but what does the term “green infrastructure” actually mean? Green infrastructure provides the ingredients for dealing with environmental challenges by building with nature. If you look at the environmental challenges facing most urban areas at the moment, they include: urban heat, biodiversity loss, storm-water flooding, noise pollution, poor air quality, and lack of green amenity spaces.