The Environmentally Preferable Purchasing Guide can help your agency or school save money while reducing waste and conserving energy in over 30 product areas. The Guide covers aspects of the complete purchasing process, including details on cost, performance and vendors-everything you need to make wise purchases.

The Responsible Purchasing Network (RPN) is a national network of procurement-related professionals dedicated to socially responsible and environmentally sustainable purchasing.  They can assist governments with many aspects of green purchasing. 

The U.S. EPA Environmentally Preferable Purchasing program is geared toward federal purchasers, but includes helpful information for other public entities.

The National Institute of Governmental Purchasing established the NIGP Green Knowledge Community to bring together subject matter experts and practitioners to develop, disseminate and promote information and resources for and about policy development, environmentally preferable products, and social and economic responsibility in public procurement.  This site is open to NIGP members only.