The article discusses how Corporate Real Estate Management (CREM) plays a crucial role in sustainable real estate practices. It highlights three key ideas: CREM as important actors in sustainable real estate, the ultimate demand point in the commercial real estate system, and operating at the intersection of business and real estate systems. The study explores occupiers' impact on sustainable real estate, their willingness to pay for sustainability, and the effects of changing workplace practices. It also raises concerns about occupiers' constant search for new premises, contributing to wasteful real estate practices, and choosing locations based on factors like carbon emissions in business supply chains.