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to preserve and enrich the environment culture and economy of the Sonoran Desert International Sonoran Desert Alliance At the International Sonoran Desert Alliance we design and implement environmental cultural real estate and business development projects intended to preserve and enrich the environment culture and economy of the Sonoran Desert. Environment ISDA was founded by a group of stakeholders activated by a desire to preserve the irreplaceable and incomparable natural resources of the Sonoran Desert. While the work of our organization has grown increasingly comprehensive over time our driving force continues to be a love and respect of this extraordinarily biodiverse region. Culture ISDA is an alliance of peoples from three Nations the Tohono Oodham Nation Mexico and the United States.