In 2009, the California Sustainability Alliance assembled an expert group of professionals with substantial experience in commercial real estate to develop and test strategies to overcome the significant barriers to greening the 90% of California’s commercial office space that is leased. This effort focused on “green leasing”, i.e., integrating sustainability practices into the entire commercial leasing process. Follow this link for more a step-by-step guide to green leases for property managers: https://greenbusinessca.org/green-tips/id/65/.