From the USGBC website: "The keys to successful green projects have always been preparation, committment and collaboration among all interested parties, and the Green Office Guide: Integrating LEED Into Your Leasing Process is specifically focused on helping tenants and landlords collaborate. This resource will help office tenants integrate green decision-making throughout the leasing process—encompassing team selection, site selection, negotiations, lease language, build-out and the tenant's ongoing operations within the leased space. The information and tools in this guide have been developed to assist tenants and their service providers (brokers, consultants, attorneys, design professionals) in reducing the environmental impact associated with real estate decisions and operations. The information contained within will also be useful for landlords and developers interested in preparing for negotiations with an understanding of the needs of tenants focused on obtaining LEED certification for their build-out."