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Teenagers Ask Big Questions at Biosphere 2's Summer Academy

It's a Tuesday afternoon, a group of high school kids are trudging in rubber boots through only mangrove forest in Southern AZ.

Familiar Sounds of Summer

Some "singing cicadas" are associated with the monsoon but a bug expert disagrees.
The bison like to wallow or roll around in the dirt, but the 2,000-pound animal leaves small craters. And far from hunters, the herd in the Grand Canyon has tripled in size to about 350 animals.

Part of Grand Canyon Bison Herd Recently Moved

19 animals taken back to their original home on Arizona Strip; more than 300 remain.

Tucson's Water Conservation Ideas Spread to Midwest

Can Minnesota learn from the Old Pueblo's water crisis?

Metro Week: 'Zoo Animals' Lives, Deaths Are Educational'

Reid Park meets national accreditation standards, teaches conservation.
Dust blows from Freeport MacMoRan mine tailings near Green Valley, Ariz., in July 2013. The incident led Pima County to issue a notice that the company violated air quality standards.

2 AZ Congressmen Introduce Bills to Slow Air Quality Regulation

Legislation seeks to minimize work for states to get exemption to naturally-occuring violations.

Metro Week: Fire Season Underway, Prep Began Months Ago

lookouts watch for smoke, districts help residents create "defensible space."
View of the Yarnell Hill Fire south of Prescott. The 8,400-acre fire killed 19 hotshot firefighters.

Father of Perished Hotshot Aims to Improve Fire Shelters

David Turbyfill's 27-year-old son Travis died battling Yarnell Fire; says he doesn't want his son to have died in vain.

AZ Week: Year Since Yarnell Fire, 'Support's Been Overwhelming'

Town slowly recovers from deaths of 19 firefighters, property destruction, hopes to see community thrive anew.

Lookouts at Forefront of Fire Spotting

Mac Tippins will spend 4-5 months on duty in Mt. Lemmon's Lemmon Rock Lookout.
San Pedro River

Project Aims to Detain Rainwater to San Pedro River Aquifers

Goal is to have water make its way into river, keeping it flowing even in dry seasons.
University of Arizona student-run Compost Cats, a composting program that is partnering up with the city of Tucson and other organizations. Here is a farm on the Tohono O'dham Nation where the composting materials are taken.

Tucson Launching Compost Pilot Project

City teaming up with UA group, Tohono O'odham Nation to collect food waste, turn it into fertilizer.

When Wildfires Break Out, Smoke Jumpers First on Call

Jeff Davis, 77, spent nine fire seasons north of the Gila Natl. Forest chasing smoke; they put out fire, not with water but using tools such as shovels.
Firefighting helicopter above the Slide Fire in northern Arizona's Oak Creek Canyon.

UPDATE: Northern AZ Blaze Grows in Size, Containment at 35%

Firefighter crews are expecting strong winds tomorrow, but say worst is behind them; they've burn a ring all the way around fire to contain.

AZ Week: Community Remembers Monument Fire Destruction

In June 2011 a fire started burning within the Coronado Natl. Forest, eventually spreading to about 29K acres in Huachuca Mountains.
Firefighting helicopter above the Slide Fire in northern Arizona's Oak Creek Canyon.

3,000 Flagstaff Residents Poised to Evacuate; Threat Reduced

Wildfire in Oak Creek Canyon consumes 7,500 acres, stops short of city so far; containment at 5%, officials say.

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