Stephanie Sklar
An Update From Our CEO

It is the season of gratitude for the year’s achievements and the setting of intentions for the year to come. Here at the Sonoran Institute we are looking back on a year of… MORE ›

Endangered Fish Thriving in Santa Cruz River

Recycled Wastewater Vital for Ecosystem Recovery The endangered Gila topminnow, which returned to the Santa Cruz River after a 10 year absence, now appears to be thriving. The native Arizona species, listed under… MORE ›

Lower Santa Cruz River Study Results

Newly Released Living River Report Tracks Changing River Conditions TUCSON, Ariz. (July 12, 2016) –  Pima County and the Sonoran Institute have finalized the third EPA-funded report in a series entitled A Living… MORE ›

Remembering Bill Mitchell

It is with great sadness that we report that our friend and colleague, Bill Mitchell, passed away on May 27th, 2016. Bill served on the Sonoran Institute’s Board of Directors from 2010 to… MORE ›

Endangered Fish Rediscovered in Santa Cruz River

Return Demonstrates Role of Recycled Wastewater in Ecosystem Recovery “We have seen such an improvement in water quality from a 2009 upgrade to the international wastewater treatment plant that we knew Gila topminnow… MORE ›