Book excerpt: Many of today's communities face an unprecedented struggle to adapt and maintain their environmental, economic, and social well-being in an era beleaguered by fiscal constraints, uncertainty about energy prices and supplies, rapid demographic shifts, and accelerated climate impacts. This step-by-step guidebook for urban planners and urban designers explains how to create and implement an actionable plan for making neighborhoods, communities, and regions more environmentally healthy, resource-conserving, and economically resilient. Sustainable and Resilient Communitiesdelineates measures for repairing, retrofitting, and transforming our built environments and supporting systems.