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Mark Candy, collections manager at the University of Arizona Mineral Museum, gives insight and history of the Mineral Museum.

UA Mineral Museum Receives Its Largest Donation Ever

The collection will help create database used for non-destructive sampling technology.

Ak-Chin Tribe Finds Alternative Water Source

Treatment plant makes water from Colorado River via Central Arizona Project clean, drinkable.

Storm Closes Roads, Snarls Traffic, Damages School

Power poles down on South Side; up to one inch of raifall reported in some spots.

Buffelgrass

Spraying Buffelgrass From Helicopter Effective But Costly

County-tested treatment for invasive species not being implemented because it's too expensive.

Coal Plant Operator Proposes Partial Shutdown

Navajo station would meet EPA standards by closing one of three generating stations at Page by 2020.

Agua Caliente park

Dumped Exotic Fish Challenge Native Species

Agua Caliente Park waters 'contaminated by exotic fish,' Pima County parks manager says.

Ph.D. Assistant Professor at the Unniversity of Arizona's School of Natural Resources & the Environment Gregg Garfin, talks about Arizona's state-wide drought plan and explaining what our options are.

Climate Change Leading to Tree Infestations, Die-off

Higher temperature, lower precipitation weaken trees, leaving them vulnerable to insect attacks.

There is one idea which would spend billions of additional dollars for personnel, equipment and barriers along the border with Mexico, but this is raising red flags for environmentalists.

Proposed Barriers Along Border Could Harm Wildlife

The issue has raised flags among environmentalists, who argue it could be devastating to the area's natural surroundings.

AZ Reps Propose Casa Grande Ruins Expansion

Bill in U.S. House would add nearby lands with archaeological significance to park boundaries.

Border National Monument is Center of Conflict

Organ Pipe Cactus Park has sparked issues among Border Patrol, ecologists, visitors.

The Yarnell Hill Fire burning in northeastern Arizona.

Access to Yarnell Fire Site Starts Tuesday

Today will be the first time media is able to observe the site where 19 Prescott Hotshots were killed while battling the blaze.

Fire Restrictions Lifting for Southern AZ

Rainfalls have helped lessen risks.

Multiple Small Fires Burning Near Grand Canyon

Park service says they are monitoring fires near north rim.

Water levels at the Colorado River Basin.

Possible Water Shortage in CO River, Solutions Needed

US officials say this means including finding ways to reduce demand, conservation and better management of supplies.

St. Gregory College Preparatory School is installing one of the largest solar energy systems in a Tucson school, producing 140 kilowatts of electricity.

Burning Trash Not in Renewable Energy Standards

Court ruling said the Arizona Corporation Commission shouldn't have approved such method for a project.

Coronado National Forest Lifting Fire Restrictions Friday

Rainfall has lessened the risk of wildfires, some precautions still advised.

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