This report examines how effectively Pima County’s natural open-space acquisitions have addressed priorities for conserving species’ habitats and landscape features identified in the Sonoran Desert Conservation Plan. The scope of this study is beyond the County's Multi-Species Conservation Plan, which is a subset of the overall Sonoran Desert Conservation Plan.

Under the Transportation Conformity Rule, transportation control measures are strategies that will reduce transportation-related emissions by reducing vehicle use or improving traffic flow. The Congestion Mitigation Air Quality program is one source of funds for the purposes of reducing congestion and improving air quality.