P2RIC recommends using these links when looking for further information on P2 and other environmental information.

Illinois Waste Management and Resource Center
http://www.wmrc.uiuc.edu/library/p2useful.htm

Natural Resources Research Information Pages (NRRIPS
http://www4.ncsu.edu/~leung/nrrips.html

National Library for the Environment
http://www.cnie.org/NLE/

Canadian P2 Information Clearing House
http://www.ec.gc.ca/cppic/en/index.cfm

P2Gems
http://www.p2gems.org/

DMOZ Open Directory Project
http://www.dmoz.org/Science/Environment/

U.S. Department of Energy Pollution Prevention Information Clearinghouse
http://www.er.doe.gov/epic/

Envirosense
http://es.epa.gov/

Natural Logic
http://www.natlogic.com

Chemalliance
http://www.chemalliance.org/

Waste Prevention Association 3R
http://www.otzo.most.org.pl/en/

Pacific Northwest National Laboratory
http://www.pnl.gov/

Worldbank Resources
http://www.worldbank.org/nipr/onthenet.htm

Water Environment Federation
http://www.wef.org/