Describes a number of streams within watershed planning units and prioritizing these streams according to their existing contribution to the overall conservation of biological diversity in Pima County. Over 50 percent of the priority streams within the County are found within the Altar Valley and the Cienega Rincon area.

Nearly everyone is talking about sustainability. But what exactly does it mean—especially for Arizona? Morrison Institute and Arizona State University’s Global Institute of Sustainability answer that question and many more in this report.