Save The Peaks Coalition
- A variety of community groups have come together to oppose plans to pipe municipal wastewater to the Arizona Snowbowl ski resort to make artificial snow, on environmental and cultural grounds.
- http://www.savethepeaks.org/

Astronomical Adventures
- Images of astronomical adventures, educator program, youth participation, guest impressions and reviews, and schedules.
- http://www201.pair.com/resource/astro.html/regular/products/astronomical-adventures/

Ecological Restoration Institute
- This institute combines academic research with practical ecological restoration. Current projects include the National Park Service and the Arizona National Guard.
- http://www.eri.nau.edu/

Merriam-Powell Center for Environmental Research
- This site summarizes its research and educational programs on the Colorado Plateau, from the Grand Canyon north.
- http://www.mpcer.nau.edu/

The Arboretum at Flagstaff
- 200-acre arboretum in a ponderosa pine forest. Guided tours, gift shop, nature trails, endangered plants and animals and cultivated gardens.
- http://www.thearb.org/