• Northeast Waste Management Officials' Association (NEWMOA)

• P2 Gems (via TURI)

• National Pollution Prevention Roundtable

• EPA's Pollution Prevention homepage

• U.S. Department of Energy P2 Information Clearinghouse

• Center for Sustainable Systems

• Pacific Northwest P2 Resource Center

• Great Lakes P2

• North Carolina Division of Pollution Prevention and Environmental Assistance

• Ohio P2 Page

• Texas Natural Resource Conservation Commission P2 Page

• Pennsylvania Office of P2 and Compliance Assistance

• Canadian P2 Information Clearinghouse

• Canadian Centre for Pollution Prevention

• British Columbia Introduction to P2 Planning for Major Industrial Facilities