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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.

ll 17 Compost Cats are OSHA-Certified equipment operators. Clarisa Avalos says, “I’m having fun!” as she maneuvers the skip loader to turn a pile of wet compost.

Feeding Our Future: Turning Garbage into Gardens

How a group of UA undergraduates are saving the environment.

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.

There are 400 wild, edible native foods in the Sonoran Desert. This food mandala is made from mesquite, ironwood, cholla cactus buds and cactus seeds.

Feeding Our Future: Harvesting the Desert

The answer to future food shortages may be right outside our doors.

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.

A saguaro cactus in the Grand Canyon National Park is in full bloom, displaying beautiful pink flowers.

Spring Is Coming Earlier and Earlier, UA Study Shows

The problematic pattern result of climate change, says co-author of the study.

Glen Canyon Dam.

Does the Colorado River Dam Management Plan Hold Water?

Two-decade plan has support from states, but not from some environmentalists.

A rendering of Earth from space.

Radar Links Wastewater Pumping to Earthquakes

Technology observing dips and buckles of Earth found uplift near injection wells.

Feeding Our Future: Shortening the Line

The Community Food Bank of Southern Arizona is trying new strategies to solve the root causes of hunger.

Acclaimed World Music Artist Katia Cardenal Visits Tucson

Also on Arizona Spotlight: Finding new purpose after breast cancer strikes twice; and "Feeding Our Future" asks if the Community Food Bank of Southern Arizona can solve the root causes of hunger.

A view of Nogales, Ariz. and Nogales, Mexico.

App to Tell Nogales Residents When Air is Unsafe to Breathe

Cooler weather, mountainous basin and pollution team up for a dangerous combo.

The Tucson night skyline is darker than other cities of average size.

Pima County Ground-Level Ozone Safe, But Just Barely

More than a year ago the EPA decreased the level it considers safe for public health.

Arizona Land and Water Trust Wins National Award

Recognized for its work on water issues and land preservation.

Sunlight reflects off of the water in a swimming pool.

Treated Water to Make Beer? Tucson Group Says 'Cheers!'

Pima County team fights stigma against reclaimed water; finalist for innovation distinction.

Students run the Manzo Market every two weeks, where they sell produce from their garden and eggs from the school’s chickens. Photo by Moses Thompson

Feeding Our Future: The Manzo Model for Growing a School Garden

In an age of shrinking education budgets, should school gardens be a line item?

Visitors Flock to Arizona State Parks in Record Numbers

Nearly 3M tourists spent more than $16M at the parks, which lost some funding in 2012.

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