Going Green On Top
Suddenly, green roofs are sprouting across North America. Designed to curb air pollution, decrease energy expenses and reduce storm runoff, the environmentally friendly assemblies are adding a decidedly earthy element to urban skylines — a sign that the green roof industry is rapidly coming into its own. Particularly in cities, the rise of roof-topping grasses, succulents and other vegetation is fueling a boom for landscape architects, growers, builders and consultants in the know....