Ecology
- 341
- Evergreen Canopy Walkway Project
- The feasibility of building a walkway on campus at Evergreen State College, Washington.
- 342
- Trees in Proximity to Canopy Access Locations
- Survey of trees at the Danum Valley Field Centre, Malaysian Borneo. Photographs of walkways, platforms, and a tower.
- 343
- Friends of the Prairie Learning Center
- Neal Smith National Wildlife Refuge. Largest re-creation of the tallgrass prairie ecosystem in the U.S. Also environmental education.
- 344
- Prairie Plains Resource Institute
- Land trust specializing in prairie and wetland protection and restoration in Nebraska, USA.
- 346
- Tiputini Biodiversity Station
- Canopy walkway and towers, trails, and laboratory for research, education, and ecotourism. Location, habitat, facilities, and housing. Ecuador.