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State of the Santa Cruz River

The Santa Cruz River’s fascinating history illustrates the complex connections between human culture and the natural world.

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Rosemont Mine

Protect the Santa Rita Mountains in Arizona from the proposed Rosemont Mine.

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Community Builders helps local leaders build strong and successful communities in the American West

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Returning Water to the Delta

On March 23, 2014, we witnessed a significant and unique water-related event in the West. An extra dose of Colorado River water was released for the specific purpose of bringing life back to the parched Delta.

Checkout our new Pulse Flow video
Learn more about Raise the River

Learn more about the Pulse Flow Event

New Report

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Interstate 11 Analysis

This report attempts to provide clarity around the issues that should be evaluated in further detail as the Interstate 11 corridor (linking Tucson and Phoeniz, AZ with Las Vegas, NV) alignment is evaluated and selected.

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Find out more about our work on this issue


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2012 Annual Report - Crossroads

Crossroads are an exciting place to be. Not only do they offer the prospect of change, but they also represent the power of choice. Even if difficult, the decision is ours to make, the challenge ours to meet.

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Latest News

April 22, 2014
Check out Episode 2, The Water Conundrum, as part of the series, A Brief History of Your Neighborhood. Just published! Read it now
April 18, 2014
If you missed our FREE webinar the other day, Small Town Comeback, you can get a recap. See the recap
April 17, 2014
Help us make SCOTie better! We're working to improve your experience with SCOTie, and we can use your help. Take the brief survey
April 14, 2014
On Wednesday, April 16, we will hold a FREE webinar to share strategies for involving community and business assets for successful economic development - called Small Town Comeback: Economic and Community Development.  Register today 

April 11, 2014
Susan Culp of Phoenix hs been named the interim Director of our Western Lands and Communities program; a joint venture with the Lincoln Institite of Land Policy. Find out more about Susan


On the evening of March 25th, two and a half days after the release from Morelos Dam, the pulse flow reached the bridge at San Luis Rio Colorado, on the border of Baja California and Sonora, Mexico.  Hundreds of people in dozens of vehicles came down to the usually dry river bed to welcome the water.

Find out more about the pulse flow
Find out more about Raise the River
Click here to view more videos from the Sonoran Institute

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