The urban landscape is changing. As our cities strive to become greener and city dwellers push to see the return of biodiversity, living walls are now a common, exciting, and aesthetically pleasing sight. Also known as vertical gardens or green walls, these installations are constructed from modular panels, each housing vegetation growing on or against a vertical surface. Heralded as a way to not only welcome back nature, the walls are also associated with improved air quality and public wellbeing. […]