As the investment company dedicated to serve those who serve the greater good, it makes no sense that you would own any shares at all in companies who have built their business models around pending approval of the tarsands export Keystone XL pipeline. The academic community, that makes up the majority of your investment and retirement plan participants, is in clear agreement that construction of the Keystone XL pipeline wIll lock our species into an irreversible climate catastrophe, endanger the drinking water and farmland of millions of Americans, and increase the expansion of the world's most destructive industrial project in the Alberta Tar Sands. Dr. Hansen has accurately called the Keystone XL "game over for the planet". It is unfathomable that TIAA-CREF would be invested in this project. We demand you immediately sell all shares who may hold in any of your profilios of the following corporations, who have heavily leveraged their business plans on construction of the Keysone XL pipeline: Transcanada, Valero, Michels, TD Bank, John Hancock, Enbridge, Scotiabank, and CIBC.