Oct. 26, 2015 - Improved indoor environmental quality doubled participants' scores on cognitive function tests, according to a new study by researchers at the Harvard University T.H. Chan School of Public Health's Center for Health and the Global Environment, SUNY Upstate Medical University, and Syracuse University. "The Impact of Green Buildings on Cognitive Function" study found that employees' cognitive performance scores averaged 101 percent higher in green building environments with enhanced ventilation compared to a conventional building environment.