Water as we talk in terms of growth, habitat protection and it is probably the limiting natural resource in this valley and region. Sustainability was drafted into the groundwater proposal in 1980 and it required all of the Active Management Areas of Arizona to achieve a safe deal within 45 years after balance of plan. The groundwater code had a very unique way to meet the assured water supply requirements. Before you can subdivide property you have to show that there is adequate water supply for 100 years.

Arizona is one of the most highly urbanized states in the nation with 87.5% of the population as of 1990 lives in an urban area. Corporate American views Tucson for tourism and mining. It is also known for aviation, missiles and aerospace; and for its astronomy and optics like Kitt Peak and Mt. Graham observatories. "Economic success will increasingly be determined by how effectively an area can spur technological innovation, entrepreneurship, education, specialized skills, and the transition of all organization -- public and private -- from bureaucratic hierarchies to learning networks."

A comprehensive review of over 100 city or county budgets. Many of these governmental entities have service populations in the general order of magnitude similar to Pima County, and some have experienced similar trends in population growth. Given the comparisons that have been made, Pima County's per capita expenditure is among the lowest of other high growth counties with a similar population base.