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Warming speeds uplift of Iceland's crust: UA study

Warming speeds uplift of Iceland's crust: UA study

More volcanoes could occur if ice keeps melting and ground keeps rising.

January 29, 2015 7:05 pmLoading…
Former disc golf course is for the birds

Former disc golf course is for the birds

Where golfers once tossed discs into baskets, the Santa Cruz River now flows.

January 24, 2015 8:45 pm Video Photos

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Opponents say mine threatens Patagonia drinking water

Opponents say mine threatens Patagonia drinking water

Report is blasted by the mining company but generally praised by Patagonia town manager.

January 24, 2015 7:00 pm Photos

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Scientists look to cloud seeding to combat drought

Scientists look to cloud seeding to combat drought

Wyoming says procedure can increase snowfall by 5 to 15 percent. 

January 17, 2015 10:00 pm Photos

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Beryllium-oxide plant may do own air monitoring

Beryllium-oxide plant may do own air monitoring

Neighbors aren't happy with Materion's plan to replace outside air monitoring network.

January 17, 2015 8:00 pm Photos

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Revised rules let Mexican wolves roam expanded territory

Revised rules let Mexican wolves roam expanded territory

But environmentalists and ranchers aren't happy with the new federal guidelines.

January 12, 2015 9:00 pm Related Loading…
Rosemont Mine, opponents clash over air permit

Rosemont Mine, opponents clash over air permit

Court hearing over permit issued by ADEQ to allow mine to operate.

January 05, 2015 9:00 pm Photos

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Tucson's record warmth 'consistent' with climate-change forecast

Tucson's record warmth 'consistent' with climate-change forecast

Four of six warmest years on record have occurred since 2009.

January 02, 2015 9:15 pm Photos

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Patagonia mines oozed high levels of iron, US says

Patagonia mines oozed high levels of iron, US says

Levels were "way above any standards," says Geological Survey hydrologist.

December 28, 2014 12:00 amLoading…
There are 2 sides to lower gas prices

There are 2 sides to lower gas prices

Early hints at potential environmental drawbacks are appearing.

December 27, 2014 10:00 pm Photos

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Colorado River deal bolsters dwindling Lake Mead

Colorado River deal bolsters dwindling Lake Mead

But agreement delays CAP shortages by just a couple of years.

December 20, 2014 8:45 pmLoading…
Colorado River Delta water release worked, scientists say

Colorado River Delta water release worked, scientists say

Vegetation greened up from Mexican border down to the Sea of Cortez.

December 18, 2014 12:00 amLoading…
Beetles ravaging Tucson's big pines

Beetles ravaging Tucson's big pines

Still uncertain why they are here, if climate change is a factor.

December 06, 2014 8:15 pm Photos

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Deal trades Lazy K rezoning support for water

Deal trades Lazy K rezoning support for water

Neighbors near closed ranch are drawing from steadily declining private wells.

December 04, 2014 10:15 pmLoading…
Studies predict more bird losses than gains from climate change

Studies predict more bird losses than gains from climate change

Studies project major future declines and some increases in birds' ranges.

November 30, 2014 12:00 am Photos

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Ranchers, environmentalists alike don't like Mexican wolf plan

They're now allowed to roam only in Eastern Arizona, southwest New Mexico.

November 26, 2014 12:00 amLoading…
Drones new research tool for wildlife, land

Drones new research tool for wildlife, land

Scientists flying the unmanned crafts this week at Las Cienegas, near Douglas.

November 17, 2014 10:00 pm Photos

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Tucson Country Club area uses most water

Tucson Country Club area uses most water

The far-northeast-side tract uses triple the citywide average water use.

November 15, 2014 10:30 pm Photos

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City Council expands water-harvesting rebates

City Council expands water-harvesting rebates

Small businesses and curb cuts will be eligible by July.

November 05, 2014 10:00 pmLoading…
Tucson may expand rainwater-harvesting rebates

Tucson may expand rainwater-harvesting rebates

But the 600 who have received them aren't actually using less water.

November 01, 2014 8:00 pm Photos

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Endangered Rocky Mountain wolf possibly near Grand Canyon

Endangered Rocky Mountain wolf possibly near Grand Canyon

Its collar resembles those on endangered gray wolves, says Fish and Wildlife Service.

October 30, 2014 10:00 pm Photos

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Hauling water a way of life for couple in Tucson Mountain Park

Jack and Emily Jean Snider have hauled their own water for 30 years.

October 25, 2014 8:00 pm
Water wells drying up on Tucson's fringes

Water wells drying up on Tucson's fringes

City aquifer called stable, but some worry more problems lurk in future.

October 25, 2014 8:00 pm Photos

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Hauling water

Hauling water

Mike Bong, who lives in the Santa Rita Mountain foothills, hooks up a water tank to a spigot in the Vail area because his well at home doesn’t work. Bong says he’s been hauling water for 10 years.

October 24, 2014 3:52 pm
ADEQ: Patagonia mine wasn't source of orange sludge

ADEQ: Patagonia mine wasn't source of orange sludge

Agency draws flak from environmentalists for its handling of Trench Mine runoff.

October 21, 2014 10:00 pm Photos

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Closed Patagonia mines send orange sludge into creeks

Closed Patagonia mines send orange sludge into creeks

Toxic heavy metals may have leached into the water during heavy rains.

October 15, 2014 8:00 pm Photos

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Hayden, Miami smelters slated for upgrades

Hayden, Miami smelters slated for upgrades

Federal regulations will cut sulfur dioxide emissions 85 percent at the smelters.

October 11, 2014 7:00 pm Photos

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Rosemont's Cienega restoration plan goes nowhere

Rosemont's Cienega restoration plan goes nowhere

But failure wouldn’t prevent owner from getting the water permit it needs.

September 27, 2014 8:00 pmLoading…
Rosemont owner drilling to confirm earlier copper estimates

Rosemont owner drilling to confirm earlier copper estimates

Opponents wonder if Hudbay is seeking to expand the proposed mine.

September 20, 2014 10:00 pmLoading…
Author Bowden 'devoured everything passing before his eyes'

Author Bowden 'devoured everything passing before his eyes'

Bowden could grasp essence of a person in minutes, but could stick to a single subject for years.

September 06, 2014 10:00 pmLoading…
'Megadrought' risk up to 50 percent, scientists say

'Megadrought' risk up to 50 percent, scientists say

Existing forecasts "critically underestimate" risks in Southwest, new study says.

August 30, 2014 10:00 pm Video Loading…
Hohokam village unearthed at planned mall site

Hohokam village unearthed at planned mall site

Construction of the outlet center in Marana is set to start this week. 

August 24, 2014 12:00 am Photos

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Outlet mall construction set to start in Marana

Outlet mall construction set to start in Marana

But developer isn't talking about its plans or whether tenants have been signed up.

August 20, 2014 10:00 pm Photos

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Biologists who warned of harm to jaguar were overruled

Biologists who warned of harm to jaguar were overruled

Wildlife service supervisor changed his staff's findings, records show.

August 16, 2014 9:45 pmLoading…
US seeks to protect Southern Arizona cuckoo habitat

US seeks to protect Southern Arizona cuckoo habitat

Possible ramifications loom for Rosemont Mine, Fort Huachuca.

August 16, 2014 12:00 am Photos

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Renowned Arizona bat scientist Sidner killed in crash

Renowned Arizona bat scientist Sidner killed in crash

Her unflagging devotion to bats will be missed, authorities say.

August 06, 2014 4:45 pm Photos

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Tucson looks at treating wastewater for drinking

Tucson looks at treating wastewater for drinking

A declining Lake Mead could speed plans for full-scale recycling.

August 02, 2014 10:00 pmLoading…
EPA approves modified Navajo power plant cleanup plan

EPA approves modified Navajo power plant cleanup plan

Navajo would close by 2044. Sierra Club may sue to block plan.

July 29, 2014 12:00 amLoading…
Huckelberry defends negotiating with Rosemont on land preservation

Huckelberry defends negotiating with Rosemont on land preservation

Critics say any mitigation deal could help the mine win approval.

July 27, 2014 12:00 am Photos

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Hudbay looking to expand beyond Rosemont in Arizona

Hudbay looking to expand beyond Rosemont in Arizona

This Q&A with company officials covers Rosemont environmental, business, transportation issues.

July 25, 2014 9:15 pm Photos

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Costs to decide when TEP plant gets off coal

Costs to decide when TEP plant gets off coal

Environmentalists continue to push for a coal-free plant in Tucson.

July 24, 2014 12:00 amLoading…
With Lake Mead sinking, pressure grows for action

With Lake Mead sinking, pressure grows for action

Reservoir that supplies Western drinking water is at record low level. 

July 20, 2014 12:00 amLoading…
Gorgeous lands in Tortolitas, Santa Ritas for sale

Gorgeous lands in Tortolitas, Santa Ritas for sale

Beautiful lands are for sale everywhere — will they be preserved or developed?

July 13, 2014 12:00 am Photos

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Tortolita Mountains

Tortolita Mountains

David Schutz paid $4.6 million in 1986 for 540 acres in the Tortolitas; now he will ask nearly $3 million for the parcel at auction in August.

July 11, 2014 5:23 pm
Northern Mexican gartersnake listed as threatened species

Northern Mexican gartersnake listed as threatened species

The northern Mexican gartersnake has joined the ranks of federally protected species.

July 07, 2014 12:00 amLoading…
Study: Rising AZ temperatures make for hostile environment

Study: Rising AZ temperatures make for hostile environment

Arizona will be hit harder than most states, a new report says.

July 06, 2014 12:00 am Related Loading…
Rosemont pays $551,000 firefighting bill

Rosemont pays $551,000 firefighting bill

2011 wildfire was started by a company employee.

June 29, 2014 12:00 amLoading…
Augusta stocks rise, Hudbay’s dip in takeover involving Rosemont mine

Augusta stocks rise, Hudbay’s dip in takeover involving Rosemont mine

But stock prices jumped for Rosemont Copper's parent company.

June 24, 2014 12:00 amLoading…
Hudbay takeover will give Rosemont more financial clout

Hudbay takeover will give Rosemont more financial clout

Proposed Rosemont Mine now has more money to fight opponents

June 24, 2014 12:00 amLoading…
Hudbay, Augusta agree to friendly takeover

Hudbay, Augusta agree to friendly takeover

Hudbay Minerals Inc. and Augusta Resource Corp. announced early today that the two companies have agreed on a friendly takeover bid for the British Columbia company that owns the proposed Rosemont Mine site near Tucson.

June 23, 2014 7:46 am Related Loading…

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The hearing of a dog is more sensitive than humans.

Dogs can hear much higher frequencies, which is why they respo…