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The Horseshoe Draw Project sits on 38 acres. The bottom of the basin takes up nine acres and sits 22 feet below ground level. 263,000 cubic yards of dirt were removed to create the project.

Tributary Projects Aim to Improve Health of San Pedro River

Watershed work aims for increased flows and health of the undammed river.
The sun blazes before it begins to set.

Ozone Warning Issued as Temperatures Set to Exceed 110 Degrees

The weather system that is bringing the heat also prevents pollutants from leaving the air.

Heat and Ozone Levels Forecast to Rise in Tucson

Air pollutant could be at elevated levels through Friday; hot temperatures will last through the weekend.
Agua Caliente Park Pond #1 July 2016

Tucson Ranks Low in Public Park Availability

Trust for Public Land rankings show many Tucsonans do not have easy access to a park.

TEP Deal to Provide Solar Electricity for 21K Homes

The array, to be finished in 2019, will be the largest in TEP's renewable energy portfolio.
Bison living in Grand Canyon National Park don't have any predators, officials say.

Grand Canyon Considers Thinning Bison Herd

Park officials worried about damage done by up to 600 bison in the park.
Site of the proposed Rosemont copper mine, looking west from Highway 83.

Next Step for Rosemont Mine Approval Could Come in June

Coronado National Forest supervisor expected to sign record of decision in June.
People listening to a presentation at an ADOT public meeting on Interstate 11 in Tucson.

Avra Valley I-11 Proposals Draw Opposition at Tucson Meetings

Citizens disagree with notion of building highway through deserts west of Tucson.
Photo of the Mulberry Fire taken the afternoon of Saturday, May 6, shortly after the wildfire started.

Mulberry Fire Slows After Burning 1,755 acres

Fire started Saturday; authorities say it is human caused.
The Sawmill Fire located 10 miles southeast of Green Valley, Arizona.

40,000-Acre Wildfire Slows, But More Winds Expected to Drive It Anew

Wind gusts to 35 mph coming in Thursday could spread Sawmill Fire near Sonoita.
10/17/12. Rebecca Brukman. Image of landscape, featuring cloud cover, after monsoon.

National Weather Service Wants Help Spotting Storms

Program helps meteorologists get view of incoming storms to make monsoon safer.
One of two Arizona Department of Public Service Helicopters stationed in Tucson.

Spring Weather Draws Hikers, Then Rescue Teams

Many hit the trail unprepared for the reality of hours in the sun.
A baby Sonoran desert tortoise.

Best Pet for Sonora? Desert Tortoises Up for Adoption

Nearly 100 captive-born tortoises up for adoption to homes in Sonoran Desert.
A Mexican gray wolf

Wildlife Officials Pleased With Growing Mexican Gray Wolf Count

Wolf count rebounds to 113 after drop the previous year.
A view from the Lake Mead side of the Hoover Dam.

Study: Lake Mead Shortage Could Slow Home Construction, Agriculture

Drought declaration would cause rationing that would affect adequate water supplies.
A photo of a Jaguar in the Huachuca Mountains taken on Dec. 1, 2016

Jaguar Photographed in Huachuca Mountains, a First

Preliminary indications are that the animal has not been spotted before.

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