The Santa Cruz River, dried up and polluted, came back to life recently, sustained by highly treated wastewater from two ...

A new Tucson Water initiative will help pay for Tucson businesses and apartment complexes to switch out grass for more eco-friendly desert landscaping. The new rebate program is part of a new $1.8 ...

A University of Arizona professor is hoping to capture the changes of a Tucson landscape over the next thousand years, setting up a primitive pinhole camera for a super long exposure that will be ...

However, one of Arizona's most storied trails is not in a national park site at all. Rather, it lies within a state park situated between Arizona's two largest cities.