Once completed in early 2016, it will provide a framework for investors to collect and assess key environmental, social and governance factors, and related performance metrics, across their infrastructure assets. "We look forward to working with GRESB's platform to gain insights into current and prospective infrastructure assets," said Ted Eliopoulos, CalPERS' Chief Investment Officer. "GRESB has an established and global track record in assessing and evaluating social and environmental factors, which will shed more light on sustainability considerations for investors." The group of eight investors represents a combined portfolio of $1.5 trillion. In addition to CalPERS, other investors include AIMCo,...