| 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. |
| Arizona Crop Information Site: Provides independent information on research-based desert crop production and protection. From the University of Arizona. |
| 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. |
| Arizona Heritage Alliance: Dedicated to protecting the Heritage Fund. Offers information on legislative action, tours, and educational opportunities. |
| 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. |
| Arizona Native Plant Society: Nonprofit organization devoted to Arizona's native plants |
| 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. |
| Arizona Towering Giant Saguaros: Information on Champion specimens of giant Saguaro cactus. |
| Arizona Wilderness Coalition: Organization of groups and individuals committed to the protection and restoration of wilderness lands in the state. |
| 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. |
| Smithsonian Magazine - Tunnel Vision: Arizona Naturalist Pinau Merlin celebrates life in the desert by keeping a close eye on it |
| Southeastern Arizona Bird Observatory: Information on birds and birding in southeastern Arizona. |
| 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. |
| 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. |
| Under Desert Skies: Personal site and life in the Arizona desert, with emphasis on its wildlife, including the coyote but also its neighbors. Photos, information, art, and links. |
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