heat islands

Green Horizons
Although they’re occasionally the focus of media attention in North America, green roofs and their potential benefits are still relatively unknown quantities unless you happen to be a landscape architect or architect.  In this commentary, Steven Peck and Damon van der Linde of Green Roofs for Healthy Cities aim to expand that base to include all watershapers – professionals, they say, who can play key roles in spreading the influence of these systems.   Just think of it:  There’s a design approach that improves energy efficiency, reduces the urban “heat island” effect and provides much-needed green space in places where opportunities for natural stress relief are