The Billion Dollar Green Challenge is coordinated by the Sustainable Endowments Institute, a Boston-based nonprofit organization that has pioneered research and education to advance sustainability in higher education. For matters relating to the Billion Dollar Green Challenge, please contact the Institute:

Billion Dollar Green Challenge
c/o Sustainable Endowments Institute
18 Tremont Street, Suite 930
Boston, Massachusetts 02108

Phone: 617-528-0010

Twitter: @GreenBillion