Our Work


Ornelas v. U.S. Air Force

Thu, 02/04/2016

On January 22, 2016 the Center filed a lawsuit in federal district court that challenges the environmental assessment (EA) and finding of no significant impact (FONSI) issued by the U.S. Air Force in connection with its approval of a plan to continue to expand the training program for visiting units at Davis-Monthan Air Force Base. The approved action will increase the annual number of sorties flown by visiting units at DMAFB to 2,326.

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Bahr et al v. McCarthy

Wed, 08/27/2014

On July 29, 2014 the Center filed a Petition for Review challenging EPA's approval of a revision to the Arizona State Implementation Plan under the Clean Air Act (CAA).

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Silver et al. v. Pueblo del Sol et al.

Wed, 05/29/2013

On May 17, 2013, the Center filed a Complaint in Maricopa County Superior Court on behalf of Patricia Gerrodette seeking judicial review of the Arizona Department of Water Resources' (ADWR) decision to grant an adequate water supply designation to Pueblo del Sol, a private water company that is proposing to deliver groundwater to a massive master planned community planned for Sierra Vista. 

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Greer Coaltion Inc. and the Center for Biological Diversity v. U.S. Forest Service et al.

Wed, 11/17/2010


On September 16, 2009, the Forest Service approved the Black River Land Exchange, a decision which has been and continues to be plagued with inconsistencies, shoddy analysis and an almost willful neglect of the public interest.  The Center has filed a lawsuit to stop the Forest Service from handing our national forest lands over to private development.    

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State Trust Land Department v. ANSAC

Wed, 11/17/2010

In Spring 2011, the Center won a major victory for the protection of Arizona's rivers and streams, and by extension, for all of us who want to bring back our quickly disappearing waterways and the rich, lush, riparian corridors they sustain.  

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WildEarth Guardians v. Baier

Tue, 11/16/2010

On January 7, 2014, the Arizona Supreme Court let stand a Court of Appeals decision affirming the State Land Commissioner's decision to award a grazing lease to the existing lessor without first determining who was the highest bidder--the lessor or WildEarth Guardians.  The Center had challenged the State Land Department's unlawful favoritism in awarding a state land grazing lease to the rancher instead of WildEarth Guardians. The Land Department's decision utterly fails to maximize the state's revenue at a time when that revenue is needed more than ever.

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Paisely v. Grumbles

Fri, 11/12/2010

UPDATE:  On September 2, 2011, the Court ruled in favor of the plaintiffs and ordered the funding restored.  The Court's decision is attached. 

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Hualapai Valley Solar LLC

Tue, 10/12/2010

The Center scored a monumental victory in this case by convincing the Arizona Corporation Commission that it did not make sense to pump groundwater from an already-depleted aquifer to run a solar power plant. Because of the Center's hard work, Arizonan's can reap the benefits of solar energy without having to give up precious water.

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