Nature and Environment

2015 Spill Dumped 540 Tons of Metals into River, EPA Says

Jan 9, 2017 Wastewater from the Colorado mine turned rivers yellow.

Oro Valley Student's Science Project Chosen for Competition

Jan 9, 2017 Amanda Minke's lead-reducing water filter among 300 student projects competing.

Vanishing Sand at the Grand Canyon

Jan 6, 2017 Also on Arizona Spotlight: The 2017 Arizona legislature starts work; exploring diction with Anna Risley; and film & stage stars Renèe Taylor & Joseph Bologna visit Tucson with "My Life on a Diet".

Growing Bat Population Good for Tequila Drinkers

Jan 5, 2017 The once endangered long-nosed bat may come off the federal protection list.

US-Mexico Study of San Pedro River a Binational First

Jan 4, 2017 The San Pedro River Aquifer provides water to people on both sides of the border.

Are the Southwest Monument Designations Permanent?

Jan 3, 2017 Obama declares Bears Ears, Gold Butte monuments in a changing political landscape.

2016 Likely 2nd Hottest Ever in Tucson; 2014 Was No. 1

Dec 30, 2016 Last 3 Years will rank as hottest in Old Pueblo for average temperature.

First Day Hikes Celebrates 60th Year in Arizona State Parks

Dec 30, 2016 Come Sunday, more than 60 events will be held statewide, 7 in Southern Arizona.

The Drum & The Story: "Why the Owl Flies at Night"

Dec 22, 2016 Also on Arizona Spotlight: A Closer Look at Arizona's Electoral College; Saying Farewell to 2016 with Stories of Loss and Hope; Video Game Nostalgia at the Holidays.

Fish Thriving - Guess Where? - in Santa Cruz River Near Tucson

Dec 22, 2016 Improved water quality from treatment plants provides year-round flow.

White Christmas for Southern Arizona's Higher Elevations?

Dec 20, 2016 Overnight snow level on Saturday dips to 4,000 feet, which includes Tucson's upper reaches.

The Art of Paying Attention: Great Horned Owls

Dec 15, 2016 Author & wildlife illustrator Beth Surdut tracks some of nature's most accomplished masters of camouflage in Tucson.

Uranium Push-Pull Near Grand Canyon in Appeals Court

Dec 14, 2016 The two cases deal with uranium mining on public lands, but from different approaches.

Havasupai Sue To Protect Their Water

Dec 9, 2016 Havasu Creek is both water source and livelihood for the Grand Canyon tribe.

Jaguar Photographed in Huachuca Mountains, a First

Dec 8, 2016 Preliminary indications are that the animal has not been spotted before.

Navajo Farmers Open Legal Battle Over Mine Waste Spill

Dec 7, 2016 The spill contaminated three rivers and the tribe's irrigation source.

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