San Francisco Second Most Green Real Estate City in the USSAN FRANCISCO-San Francisco is among the 10 U.S. cities with the highest percentage of green commercial space, according to the 2014 Green Building Adoption Index, a joint project of CBRE Group, Inc. and Maastricht University. San Francisco ranked at number 2 on the list with 67.2% of commercial real estate certified as green. via Globest #SF is the 2nd most #green city at 67%...