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The U.S. Forest Service allowed fire to burn more than 73,500 acres in northern Arizona last year.

NAU Study: Some Success In Pine Forests With Managed Wildfires

Moderate-severity fires can restore historical conditions in certain areas.
Image of a large fissure discovered 45 miles north of Tucson, published Jan. 23, 2017.

Deep, Two-Mile Fissure Discovered Near Picacho Peak

Fissures are deep cracks in the earth caused by over pumping of groundwater.

Take a Break in Tiger's Tap Room

Also on Arizona Spotlight: An endangered species update; Digna Theatre Company combines art with human rights; Adiba Nelson essay; and sculptor Barbara Grygutis honored with new book.
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.
Tailings piles at the Asarco-owned Mission Mine Complex south of Tucson.

EPA: Toxic Chemicals Released in Arizona Rose in 2015

Pollutants released into the air, water and land was up 12% from the prior year.
Pima County residents protest Monsanto company's plans to open a greenhouse to develop genetically modified corn seeds in Marana.

Monsanto Seeks Tax Break Amid Vocal Opposition in Pima County

Plus, how the governor's priorities align with technical education needs; checking in with Oro Valley.
A school bus.

Marana Schools to Receive $500K for Cleaner Buses

It's the only district in Arizona to receive funding for bus emissions.

Pima County Meetings Air Objections to Monsanto Site

The first of five took place in Oro Valley earlier this week, mostly serving as venue for opposition.
On Aug. 5 the EPA was investigating contamination of this old Colorado mine when it unexpectedly triggered a release of 3 million gallons of toxic waste.

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

Wastewater from the Colorado mine turned rivers yellow.
Drops and ripples of water.

Oro Valley Student's Science Project Chosen for Competition

Amanda Minke's lead-reducing water filter among 300 student projects competing.

Vanishing Sand at the Grand Canyon

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".
The lesser long-nosed bat is an important pollinator of cacti in the American Southwest.

Growing Bat Population Good for Tequila Drinkers

The once endangered long-nosed bat may come off the federal protection list.
The San Pedro River flows through Sierra Vista.

US-Mexico Study of San Pedro River a Binational First

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

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

Last 3 Years will rank as hottest in Old Pueblo for average temperature.

First Day Hikes Celebrates 60th Year in Arizona State Parks

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

Here's How to Dispose of Your Christmas Tree in Tucson

The city of Tucson can help you recycle it properly, by turning it into mulch.

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