This week, we’re taking a closer look at water use in western cities. Today – Tucson, Arizona. It used to be a city of lawns, kept green even in blazing summer months by frequent watering. Over the decades though, that has changed. Now people in Tucson prefer landscaping that is more in tune with the city’s desert setting. This story is part of a collaborative series from the Colorado River Reporting Project at KUNC, the Mountain West News Bureau, and Elemental: Covering Sustainability.