Fund Description: The fund invests in a broad portfolio of investment grade debt securities (e.g., rated AAA to BBB- by S&P or Fitch or Aaa to Baa3 by Moody"s of U.S. and non-U.S. corporate and government issuers, including mortgage-backed securities, while excluding or underweighting securities of corporate and certain non-sovereign government issuers based upon the Portfolio"s sustainability impact considerations.