This GreenSource guide explains how to transform existing buildings into moreenergy-efficient, resource-conserving green buildings. The book provides a clearprocess that guides you, step-by-step, through each phase of moving buildingoperations and maintenance toward the goal of a green-certified building,Greening Existing Buildings features proven technologies and operating methods, andshows building owners and facility managers how to green buildings in a cost-effectiveway. This practical and insightful resource highlights the ten best practices forgreening existing buildings, and includes more than 25 case studies of successfulimplementations and 35 insightful interviews with industry experts and buildingowners and managers.