EPA Resources
- Office of Solid Waste, for the Kids' Page
- Office of Solid Waste, Teacher Resources
- Solve the Case of the Broken Loop!!! (PDF)
County Resources
- Carroll county solid waste division
- Charles County Recycling
- Charles County Trash
- Fredrick County solid waste division
- Montgomery County solid waste division
- Montgomery County Trash
- Prince Georges County Trash
- St. Mary's County Trash
Organizations
Virginia Services
