New Report

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Commercial and Mixed-Use Developments Trends in the Rocky Mountain West.

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.

Take Action

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Rosemont Mine

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

Sign the Petition today

Visit Our Sister Sites

Upcoming Webinar


Under the Influence: How Policy Tilts the Land Use and Development Market

On August 27th, Community Builders will identify and discuss key policies–such as land-use regulations and infrastructure investments–that shape the location and type of development that we see in our communities. 

More Information and Registration

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.

New 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.

Community Insights




A Brief History

We may think that a fair and balanced market determines the way our neighborhoods are built, but the real story is quite different. Community Builders' eight-part series of illustrated essays takes a look at how, and why, suburbia is being subsidized via outdated policies and regulations.

Check out A Brief History

Where We Work

Arizona California Colorado Idaho Mexico - Delta Montana Westwide Work Wyoming

Latest News

August 25, 2014
On August 18, 2014, the Sonoran Institute facilitated a meeting on the Impact of Climate Change; Preparedness in the Latino Community. Click here to find out more
August 21, 2014
The Summer 2014 edition of our Building Trust newsletter is out!  Check it out today
August 19, 2014
Introducing our newest project, New Mobility West. Great communities require great transportation. Find out more today
August 14, 2014
Check out our new Western Dispatch: Essentials to Success - Building Great Communities.  Read it here
August 13, 2014
We have a new Director of our Western Lands & Communities program, Summer Waters. Read the release



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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