Green Roofs and Rooftop Gardens

A detailed look at why and how urban rooftops are going green by Beth Hanson. Living roofs cool the air, reduce water pollution, extend roof life, and cut energy costs. They also provide green space for city dwellers and habitat for birds and insects. Green Roofs and Rooftop Gardens tells the stories behind some of the city’s most interesting living roofs and explains how such roofs are constructed, planted, and cared for. Since 1945, BBG's award-winning horticultural handbooks have offered practical information in a compact, easy-to-read format. Written by top gardening experts and packed with spectacular color photos, BBG guides are full of ideas on how to make your garden beautiful, bountiful, and ecologically sensible.