In one of our previous articles we already wrote about a green wall built on PNC Financial’s headquarters, and in this article we’re going to write about the currently largest and most biologically diverse outdoor green wall in North America. Designed and planted by Green over Grey designers, it is covering the Semiahmoo Public Library… »

The vertical counterparts of green roofs – green walls are becoming more popular. Besides the calming effect of the greenery in our urban world the walls can be arranged to be visually engaging as well. Walls covered in vegetation provide the benefits of natural insulation and removal of air pollutants. PNC Financial Services Group Inc…. »