New Report

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Highways and Wildlife - Montana

How can we better protect vital wildlife corridors as population and housing grows?

People News

Summer Waters 2014





Summer Waters Joins Institute

Summer Waters is the new Director of our Western Lands & Communities Program. 

Read her story

Santa Cruz River Story

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"Revisiting the Dry River"

"It doesn’t take much imagination to unwind our long history here in this very valley—hunter, forager, farmer, consumer—and see how we all have relied on one pale blue thread in a vast desert place. The Santa Cruz River, our home."

Delta Story



"The Day We Set the Colorado River Free"

It's been more than 50 years since the Colorado River regularly reached the sea. But this spring, the U.S. and Mexico let the water storm through its natural delta for a grand experiment in ecological restoration.

Visit Our Sister Sites

New Report

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A Living River - Arizona

A new report charts the health of the Lower Santa Cruz River in Arizona.

Find out more


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Stephanie Sklar is our New CEO

The Sonoran Institute Board of Directors has selected Stephanie Sklar as its new chief executive officer (CEO). Stephanie will join the Institute on October 13, 2014

Read the news release

New Video

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RENEWAL - Narrarated by Robert Redford

Renewal provides new breathtaking images of the historic Colorado River pulse flow surging into the Delta. Communities and wildlife celebrated.

Annual Report


The Power of Connections

Connecting. It is what distinguishes our unique and successful approach to conservation and community development in the West.

Read our 2013 Annual Report.

Where We Work

Arizona California Colorado Idaho Mexico - Delta Montana Westwide Work Wyoming

Latest News

October 24, 2014
Our Fall edition of FETCH is out, with all the news thats fit to print on SCOTie, our online resource for best community practices in the West. Read FETCH today

October 23, 2014
Join us for the upcoming 4th annual Open Planning Tools Group Symposium November 16 - 18, 2014 in Silver Spring, Maryland. Find out more and register today

October 15, 2014
Arizona's proposed Interstate 11 is an economic powerhouse for the state's future. Read ADOT Director John Halikowski's guest editorial in the Arizona Republic

October 9, 2014
Our Community Builders initiative has organized a new FREE webinar, Healthy Design Makes a Difference, scheduled for Wed. October 29, 2014 at Noon Mountain Time. Find out more

October 7, 2014
In partnership with Pima County, the Institute released a new report today, A Living River, on health conditions of the Lower Santa Cruz River in Arizona. Find out more



Narrated by Robert Redford, Renewal captures the breathtaking and historic surge of water that was released into the Colorado River in the Spring of 2014. The new water created, once again, a river to the sea. Original music soundtrack by Halcyonaire. For more information on the efforts to save and restore life to the Delta, go to:

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