In Lippincott, available at 7A for all Penn users and in the Yablon Financial Resources lab for Wharton users. See Bloomberg's ESG Functionality Map for an extensive list of commands to find data. Indices such as those in the DJSI family are also in Bloomberg.
Available in Lippincott Library at machines 8A, 8B and 8C. Ask at the Lippincott Library Information Desk to be logged in. Ability to screen for funds by ESG criteria or to view ratings for particular funds. You can also view Morningstar's research on Sustainable Investing.