In the American Lung Association’s latest State of the Air report, the city ranks fifth in ozone pollution and ninth worst for year-round particle pollution.

Scottsdale residents have about a week left to submit comments on the city’s proposed plan for sustainability.

Conservation groups have asked the U.S. Forest Service to lay out how it will manage mined uranium as it’s transported across northern Arizona. KJZZ posed those concerns to Energy Fuels, the company that owns the Pinyon Plain Mine just south of the Grand Canyon.

The City of Flagstaff has been leasing farmable land in its Urban Farm Incubator program since 2018. Now that program is expanding, with the goal of promoting sustainable farm practices in an urban setting.

Damage inside Glen Canyon Dam could mean problems with the "river outlet works," a set of small tubes near the bottom of the dam that were originally intended to release excess water when the reservoir is nearing full capacity. The dam allows water to pass through to the Colorado River and Grand Canyon.

The triple-digit heat in Phoenix makes it difficult to farm — everything from growing crops to tending livestock. There is a solution that cools off the land while also providing sustainable energy — agrivoltaics.

Coastal cities around the world are contending with rising sea levels and sinking due to land subsidence. We're not on the ocean, but Arizona is sinking, too — due to excessive groundwater pumping.

Monument officials announced Wednesday that the picnic area will be closed from March 28 through April 30 due to the density of an invasive and noxious winter weed called stinknet that can grow more than 2 feet tall.

As the weather begins to warm up, the city of Phoenix is kicking off a new program to plant more shade trees around schools.