Green buildings enhance productivity, good health

The report’s conclusion that tenants in green buildings are more productive is based on two measures: the average number of tenant sick days and the self-reported productivity change. The respondents reported an average of 2.88 fewer sick days in their current green office, compared to their previous non-green office, and about 55% of respondents indicated that employee productivity had improved. The research was overseen by Norm Miller, academic director and professor at the University of San Diego’s Burnham-Moores Center for Real Estate, and was conducted in collaboration with CBRE’s national director of sustainability, Dave Pogue, and Ray Wong, CBRE’s director of Americas research.

The research surveyed 154 buildings under CBRE’s management, totaling more than 51.6 mn sq feet and housing 3,000 tenants in ten markets across the United States. Pogue said, “The results of this project are beginning to demonstrate the real and positive impact of sustainable buildings for both owners and tenant. We have seen ways to make an empirical case for the economic benefits of sustainable practices and the results of this study exceeded our expectations.”

Based on average tenant salary, an office space of 250 sq ft per worker and 250 workdays a

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