Tribeca West in Los Angeles is a 151,029 square feet Office building that is LEED for Existing Buildings 2009 Gold certified. This building is green because it has 11 green activities that achieved outcomes of energy efficient operations, water use reduction, sustainable site selection and development, responsible materials selection and waste management, and enhanced indoor environmental quality.
http://www.gbig.org/activities/leed-1000082544
12233 West Olympic Boulevard, Los Angeles, CA, USA