Maintenance-free vegetated roofs do not exist. The intensity and the frequency of maintenance varies with the plantings chosen, the density and coverage of those plants, and the maturity. After making certain in the design...


The phrase “think globally, act locally” is a good way to describe how sustainable design projects are conceptualized. From the building to the community scale, the goal is to minimize the initial and ongoing...

Before the 1850s, wood was commonly used as a primary structural building material in myriad types of non-residential construction around the world. Many of these timber-built structures remain standing and are still in use...

Green roofs are continuing to gain recognition as a sustainable building design feature throughout North America. These vegetated assemblies contribute to many credits under the Canada Green Building Council’s (CaGBC’s) Leadership in Energy and...