N I IV NITIAT Above: The choice of native plant materials is reducing water and maintenance requirements at Nemours Children's Hospital Orlando since opening in 2012. Opposite: Boston's Spaulding Rehabilitation Hospital's green roof mitigates stormwater runoff and reduces cooling loads and urban heat island effect. 32 HCDmagazine.com 12.15 JONATHAN HILLYER PHOTOGRAPHY GR EE CUS ON ES FOhttp://www.HCDmagazine.com