| epa.gov | Environmental Protection Agency |
| p2ric.org | Pollution Prevention Regional Information Center |
| state.or.us | Oregon Commercial Waste Reduction Clearinghouse |
| ca.gov | Local Government Central |
| epa.gov | Enviroen$e - Common Sense Solutions to Environmental Problems |
| environmental-center.com | Indicators of Pollution Management |
| greentruck.com | Green Truck |
| gc.ca | Canadian Pollution Prevention Information Clearinghouse |
| state.pa.us | Pennsylvania Department of Transportation Recycling Page |
| pprc.org | Pacific Northwest Pollution Prevention Resource Center |
United States , North Carolina , Raleigh