Significant sustainability features include: v Segregated laboratory and other occupancy types to increase HVAC operating efficiency v Sloped ceilings in labs for increased daylighting and solar photo cells for lighting control v Reusable animal cages throughout the vivarium, eliminating cage wash equipment and avoiding the use of approximately water annually v Elimination of relative humidity controls from air-handling equipment and the vivarium rooms due to the local climate Scheduled to be fully occupied in the fall quarter of 2010 SIM1 is the nation’s largest center dedicated to stem cell research.