Nature and Environment

A man rests in the shade on a hot day in Tucson.

Hot Summer Could Mean Strong Monsoon

Apr 23, 2018 Hotter-than-normal June expected to usher in average or above-average rain season.

A fire truck returns after responding to the Frye Fire in the Pinaleño Mountains, 2017.

Dry Weather Pushing Tucson Area to Peak Wildfire Season

Apr 19, 2018 Lack of moisture, high temperatures and windy days make for prime fire conditions.

Boulder Basin at Lake Mead.

Feud Erupts Between Central Arizona Project, US States Over Colorado River

Apr 18, 2018 The states are accusing CAP of manipulating supply and demand of the water.

The lesser long-nosed bat.

Bat Key to Tequila Trade Gets Off US Endangered Species List

Apr 17, 2018 The announcement was good news to both wildlife conservationists and drinkers of tequila, as the bats are important pollinators of agave.

The entrance to Saguaro National Park east.

Saguaro National Park To Raise Entrance Fees

Apr 16, 2018 All rates go up $5 on January 1st.

Are "Dark Skies" Good for Tucson?

Apr 12, 2018 Also on Arizona Spotlight: Democratic candidates for governor talk education funding; Michael F. Blake on "The Cowboy President", and a backstage visit with "The Hunchback of Notre Dame".

The proposed site for the Rosemont Mine.

Tohono O'odham, Pascua Yaqui, Hopi Sue to Stop Rosemont Mine

Apr 12, 2018 The tribes say the area for the proposed mine is sacred.

Watering at a Yuma farm, 2014.

Farmers in Central Arizona Prepare for a Future with Less Water

Apr 12, 2018 The declaration of a shortage in Lake Mead would impact farmers first.

The remains of trees burned by the Frye Fire in 2017.

NWS: Warmth, Wind Bring Fire Danger to Southern Arizona

Apr 11, 2018 Weather Service issues red-flag warning and fire-weather advisory.

A Large Aperture Scintillometer stands beside a field planted with durum wheat.

Lifeblood of the Desert: Can Technology Solve Yuma's Water Woes?

Apr 11, 2018 Scientists hope cutting edge tech will allow farmers to zero in on water usage and efficiency.

View northeast from Arizona Falls along the Arizona Canal toward Camelback Mountain, in Phoenix.

Lifeblood of the Desert: Salt River Project Team Turns to ASU Robots to Maintain Canals

Apr 10, 2018 The infrastructure poses unique technical and personnel challenges, which could be made more efficient with robotics.

"A" Mountain, or Sentinel Peak, stands above the dry riverbed of the Santa Cruz River near Tucson's birthplace. Feb. 22, 2018.

Lifeblood of the Desert: Restoration Brings New Life to Santa Cruz River

Apr 9, 2018 The river has supported four millennia of agriculture and growth in Tucson.

The Santa Cruz River flows downstream of the outflow from the Agua Dulce wastewater treatment plant.

Students Celebrate Santa Cruz River with Poems and Art

Apr 9, 2018 Pima County's Living River of Words contest inspired by visits to flowing river.

Snow blankets Summerhaven in the Santa Catalina Mountains.

Study to Look at Options for Summerhaven's Main Road

Apr 5, 2018 Pima transportation official says traffic congestion can be an issue during snow storms, summer weekends.

A healthy golden frog in the streams of Panama.

For Fungus-Infected Frogs, It’s Change or Die

Apr 4, 2018 That includes frogs in Arizona, like grass frogs and the threatened Chiricahua leopard frog.

Cars moving through Tucson.

Health Officials Ready for Earlier Ozone Season

Apr 2, 2018 High levels of ground-level ozone, a summertime pollutant, are detected earlier.

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