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Navajo tribal member Jonah Yellowman picks up a pottery shard from the red dirt near Bears Ears.

Obama Could Still Make Bears Ears A Monument

Southern Utah area is considered sacred by many tribes and communities in the Southwest.

Snow on the lower ridges of the Santa Catalina Mountains

Freezing Temperatures Expected Overnight Through Thursday Morning

Freeze and hard-freeze warnings have been issued by the National Weather Service.

Close-up of pine tree needles.

Permit Holders Can Cut Their Own Christmas Trees in Coronado Forest

There are a limited number of permits and certain conditions apply.

The location for the release of bighorn sheep in the Santa Catalina Mountains in an effort to re-establish a herd there, Nov. 22, 2016.

20 More Bighorns Released; Catalina Herd Called Viable

There are no more planned translocations or lethal removal of mountain lions.

A monarch butterfly.

Southwest Monarch Study Gets $89K To Track Butterflies

The award was part of a larger effort to aid in the recovery of a declining Monarch population.

Cotton fields await picking near Goodyear, Arizona.

Pima County Unveils Deal with Agribusiness Giant Monsanto

The company has purchased property near Marana, plans high-tech greenhouse.

State to Stop Killing Mountain Lions that Prey on Bighorns

Phasing out big cat removal after signs of success in Catalina bighorn sheep reintroduction.

Water May Flow Regularly in Santa Cruz River Within 2 Years

Tucson Water project will use reclaimed water to restore a portion of the river's flow.

By the time the Colorado River reaches the soft sandstone of southern Utah, it is a large, powerful river, cutting deep gorges into the Colorado Plateau.

Experimental High Flows Start at Glen Canyon Dam

Officials hope to redistribute sediment trapped by the dam.

TEP Plans to Add More Solar, Wind Power to Energy Portfolio

Two recent requests for proposal would add 100 MW of each for 20 years.

beer glass

Tucson Team Takes Prize for Wastewater-to-Beer Idea

Group will use $250,000 water innovation award to set their idea in motion.

A naturally-germinated Cottonwood tree pictured with Martha Gomez-Sapiens, research associate at University of Arizona, 2016

Colorado River Delta Still Thrives 2 Years after Dam Flow

It is supporting bird and plant life while recharging groundwater.

Tribes Receive EPA Funds For Environmental Projects

Largest project in grants will be water connection between remote communities.

Map Of The Colorado River Basin

Study: Southwest May Face Severe, Multi-Decade Drought

If the rate of greenhouse emissions stays the same, it will likely hit by the end of the century.

A field of stars lights up the night sky above the Grand Canyon in northern Arizona.

NAU Project Will Study National Park Boundaries from Space

The team will look at divisions caused by land-management choices, like logging.

Jason Katterhenry tells us about the UA mobile phone app for tracking dust storms.

Sensors, Signs: System to Warn I-10 Drivers of Dust Storms

Electronic monitoring will take place along a 10-mile stretch between Eloy and Casa Grande.

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