Climate of Arizona
- Narrative written by the State Climatologists and published by the National Climatic Data Center.
- http://www.wrcc.dri.edu/narratives/ARIZONA.htm

Smithsonian Magazine - Tunnel Vision
- Arizona Naturalist Pinau Merlin celebrates life in the desert by keeping a close eye on it
- http://www.smithsonianmagazine.com/issues/2001/december/tunnel_vision.php

Sustainable Arizona Resource & Education Council
- They connect individuals, businesses and communities throughout the state and provides the information, resources and services needed to achieve sustainable development.
- http://sustainablearizona.net

Arizona Department of Environmental Quality
- Protects public health and the environment in Arizona. Information about air, water and waste programs in the state as well as regulations.
- http://www.azdeq.gov/

The Mount Graham Coalition
- News and information about efforts by Native Americans, scientists, conservationists and citizens to resist installation of telescopes and other development on Mount Graham's desert "Sky-Island" ecosystem.
- http://www.mountgraham.org/

Arizona Meteorites
- Catalog of meteorites found in the state, including map of fall locations. For each find, there is a picture and description, including meteorite type, weight, and date and circumstances of discovery.
- http://www.lpl.arizona.edu/SIC/arizona_meteorites/

Arizona Community Tree Council
- Non-profit organization promoting exchange of information about trees and the essential role they play in the wellbeing of Arizona communities. Newsletter and information about training and volunteering.
- http://aztrees.org/

Arizona Riparian Council
- Provides for the exchange of information on the status, protection, and management of riparian systems in the State. Includes information on meeting locations, newsletters, and issues.
- http://azriparian.asu.edu/

Arizona Heritage Alliance
- Dedicated to protecting the Heritage Fund. Offers information on legislative action, tours, and educational opportunities.
- http://azheritage.org/

Southeastern Arizona Bird Observatory
- Information on birds and birding in southeastern Arizona.
- http://www.sabo.org/

Arizona Wilderness Coalition
- Organization of groups and individuals committed to the protection and restoration of wilderness lands in the state.
- http://www.azwild.org

Rodeo/Chediski Fire Salvage and Rehabilitation Team
- Information about the aftermath of the 2002 fire on the Tonto and Apache-Sitgreaves National Forests and adjoining areas and plans to salvage the dead and dying timber left in its wake.
- http://www.fs.fed.us/r3/asnf/salvage

Arizona Native Plant Society
- Nonprofit organization devoted to Arizona's native plants
- http://www.aznps.org

Arizona Crop Information Site
- Provides independent information on research-based desert crop production and protection. From the University of Arizona.
- http://ag.arizona.edu/crops/