"Buy EPEAT Rated Computer Equipment:Use the EPEAT system to help evaluate, compare and select electronic products based on their environmental attributes. Visit the EPEAT web site to find registered products by manufacturer. Calculate the environmental benefits of purchasing EPEAT-rated computers sources: Lessen the demand for limited natural resources by making the renewable choice. Request vegetable based inks be used when printing your next brochure, or consider building materials obtained from sustainably harvested forests."
Finance department includes a Green Purchasing section on University Contract sites.
http://www.finance.umich.edu/procurement/howtobuy/greenpurchasing/help