Design for an Empathic World: Reconecting People, Nature and Self by Sim Van der Ryn, published by Island Press , 2013. Hardcover, 164 pages. ( Amazon ) Fifteen years after the creation of the Leadership in Energy and Environmental Design (LEED) green-building rating system, it seems that sustainable principles are fairly well entrenched in architectural practice. What used to be considered a costly alternative to the usual materials and systems have become the norm in approaching the design of buildings. But do things like low-flow toilets, green roofs, and other elements within a point-based trade-off system really add up to truly green architecture? Are buildings meeting LEED Silver, Gold, or even Platinum really sustainable? The answer is increasingly "no," not only because the system is flawed but because terms like "sustainability" and "green building" have been co-opted by manufacturers, marketers, and others focused on the bo...