Tucson's water ethic: Blueprint for Minnesota?

Tucson Water auditor Felix Morales helps Merri Pendergrass measure her water use at her home in Tucson. Pendergrass called the auditors, known as "Zanjeros," for help when her water bill skyrocketed. The auditors were able to determine that Pendergrass could save water, and money, by cutting the amount of water her backyard lawn uses in half.