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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 am Photos

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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…
Effluent could make Santa Cruz River flow again

Effluent could make Santa Cruz River flow again

The Santa Cruz River hasn’t flowed through Tucson in 70 years — but some local officials would like to change that.

June 15, 2014 12:00 amLoading…

Tucson, other cities could be hit by CAP shortage much sooner than expected

For the first time, the state agency that operates the multibillion-dollar Central Arizona Project warns that water shortages could hit Tucson and Phoenix as soon as five years from now.

June 15, 2014 12:00 amLoading…

Judge deals major setback to big Sierra Vista project

A planned project for 7,000 homes and apartments in Sierra Vista now sits in legal limbo due to a judge’s ruling overturning state approval of it.

June 11, 2014 12:00 amLoading…

Freeport: Still no Twin Buttes reopening plans

More than four years after buying the old Twin Buttes copper mining site south of Tucson, Freeport McMoRan Copper & Gold Inc. still has no plans for reopening it, a spokesman says.

June 08, 2014 12:00 amLoading…
How high will Freeport's tailings climb?

How high will Freeport's tailings climb?

Duncan and Connie Creed say they no longer can enjoy the glow of sunsets in their backyard like they could when they moved into their Green Valley house 11 years ago. The reason, they say, is the stand of mine tailings just west of their home that towers like a huge mesa over the community.

June 08, 2014 12:00 am Photos

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Rosemont opponents sue to toss out air-quality permit

A community group and a retired air-pollution scientist filed separate lawsuits Wednesday challenging Arizona’s approval of an air-quality permit for the proposed Rosemont Mine.

June 05, 2014 12:00 amLoading…

Hudbay vs. Augusta: By the numbers

The difference in size and scale between the current owners of the proposed Rosemont Mine and its suitor is staggering, their financial reports show.

June 01, 2014 12:00 amLoading…

New Rosemont Mine delay now assured; Fish & Wildlife taking fresh look at impacts on 8 imperiled species

The federal government formally announced Friday that it will restart reviews of the proposed Rosemont Mine’s impacts on eight endangered species including the ocelot.

May 23, 2014 5:00 pmLoading…
Ocelot presents new delay for Rosemont Mine

Ocelot presents new delay for Rosemont Mine

The discovery of an ocelot in the vicinity of the proposed Rosemont Mine site, combined with other endangered-species issues, means more delay for the open-pit copper project.

May 22, 2014 12:00 amLoading…

Army Corps warns that Rosemont's mitigation plan is inadequate

In its second warning letter in three months, the U.S. Army Corps of Engineers formally notified Rosemont Copper last week that the company’s plan to mitigate for its mine’s impacts on creeks and washes is inadequate.

May 19, 2014 12:00 amLoading…
Tucson's Fenster private boarding school shutting down for a year

Tucson's Fenster private boarding school shutting down for a year

A once-popular boarding school in the Sabino Canyon area — which attracted children of prominent families — is taking a year off to reinvent itself due to sagging enrollment and finances.

May 18, 2014 12:00 am Photos

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'Candid talk' between Huckelberry, Diamond becomes a love fest

'Candid talk' between Huckelberry, Diamond becomes a love fest

What a difference a real estate bust makes.

May 18, 2014 12:00 amLoading…
Underwater sensing device confirms Colorado River met the sea

Underwater sensing device confirms Colorado River met the sea

It wasn’t only a conservationist who recorded this week’s meeting of the Colorado River with the Gulf of California’s high tides.

May 17, 2014 12:00 amLoading…

Colorado River and Gulf of California finally meet

The Colorado River met the sea Thursday for the first time in at least 16 years.

May 16, 2014 12:00 amLoading…

Climate change affects more than is obvious now, ASU expert says

Whether it’s saguaros, quaking aspens, tundra forests or coral reefs, the Southwest and the country are seeing climate change impacts on a range of species and landscapes, says an Arizona State University scientist.

May 08, 2014 12:00 amLoading…

Climate change hitting home, says White House report led by UA

The Southwest is heating faster than the rest of the country. Sea levels are rising. Oceans are acidifying. The North Atlantic’s hurricanes are intensifying. Piñon and lodgepole pines are dying.

May 07, 2014 12:00 amLoading…
Report: Southwest faces increased threat from drought, wildfires and heat

Report: Southwest faces increased threat from drought, wildfires and heat

Temperatures in the Southwest are rising faster compared to those of the U.S. as a whole, a new White House report ion climate shows.

May 06, 2014 10:02 am Related Loading…

Key public objections to draft decision, final impact statement on Rosemont

The U.S. Forest Service didn’t meet its own legal deadline last week for responding to objections to its plans to approve the Rosemont Mine, saying it needs more time.

May 04, 2014 12:00 amLoading…

Both sides praise Canadian decision on Augusta shareholder rights

In a decision that both sides are spinning as a victory, the British Columbia Securities Commission says that under certain circumstances, it will put an end to Augusta Resource Corp.’s shareholder rights plan by mid-July.

May 04, 2014 12:00 amLoading…
Kayaker able to navigate part of rejuvenated Colorado Delta

Kayaker able to navigate part of rejuvenated Colorado Delta

Nearly 30 years ago, Steve Nelson started kayaking the Colorado River Delta in search of adventure and a journey through history. He ended up falling in love with the place.

May 03, 2014 12:00 am Photos

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Another Rosemont Mine delay: Forest Service misses a deadline

The latest permitting delay for the Rosemont Mine leaves a raft of unanswered questions about when and how the final decisions on the project will be made.

May 03, 2014 12:00 amLoading…
Augusta, Hudbay to duke it out over shareholder rights plan

Augusta, Hudbay to duke it out over shareholder rights plan

The takeover battle for the Canadian company that owns the Rosemont Mine site hits a climactic moment in Vancouver, B.C. today (Tuesday, April 29).Officials of Augusta Resource Corp. and Hudbay Minerals Inc. will argue over whether the British Columbian government should put a halt to a shar…

April 29, 2014 12:00 am Related Loading…
Mining industry support firms congregate here

Mining industry support firms congregate here

A growing phalanx of companies in Tucson and Southern Arizona service the mining industry.

April 27, 2014 12:00 am Photos

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A guide to Rosemont's possible impacts on Davidson and Cienega

A guide to Rosemont's possible impacts on Davidson and Cienega

The dispute between state and federal environmental agencies over pollution risks from the Rosemont Mine boils down to debates over sediment, runoff, waste rock and impacts of groundwater removal. This involves a ton of technical detail, and this blog will try to explain some of it. The…

April 26, 2014 12:00 am Related Loading…

ADEQ, other agencies disagree on Rosemont Mine pollution

Don’t worry, the Rosemont Mine isn’t likely to pollute the well-loved Davidson Canyon or Cienega Creek southeast of Tucson, says the Arizona Department of Environmental Quality.

April 24, 2014 12:00 amLoading…

Mining support firms congregate here

A growing phalanx of companies in Tucson and Southern Arizona service the mining industry.

April 21, 2014 12:00 am
Owl-saving group buys historic Owls Club mansion

Owl-saving group buys historic Owls Club mansion

A national environmental group that has spent a quarter-century trying to save imperiled owls will soon call home a historic Tucson building that was named for owls.

April 13, 2014 12:00 am Photos

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Water supply from San Pedro River key in court battle over Sierra Vista development plan

Water supply from San Pedro River key in court battle over Sierra Vista development plan

PHOENIX — Arizona’s management of the San Pedro River went on trial here Monday.

April 07, 2014 5:01 pmLoading…

Water supply focus of court fight over proposed Sierra Vista development

PHOENIX — Arizona’s management of the San Pedro River, water rights and development went on trial here Monday.

April 07, 2014 4:00 pmLoading…
Now mostly barren, Colorado River Delta once teemed with life

Now mostly barren, Colorado River Delta once teemed with life

ALONG THE RIO COLORADO, Baja California — When high levels of water gushed down the Colorado River last week for the first time in more than a decade, it was a cause for celebration.

March 31, 2014 12:00 am Photos

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Historic water release brings surge of joy to Colorado River Delta

Historic water release brings surge of joy to Colorado River Delta

ALONG THE RIO COLORADO — They came to see the river return, a half-century after U.S. dams kept it from flowing into Mexico.

March 30, 2014 12:00 am Photos

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UA scientists among many studying Colorado River water release

UA scientists among many studying Colorado River water release

This week’s big pulse of water into the long-parched Colorado River Delta will be one of the most studied water releases ever.

March 25, 2014 12:00 am Photos

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New UA center aims to prepare Tucson, world for climate change

New UA center aims to prepare Tucson, world for climate change

We’re going to have to adapt to more huge wildfires, prolonged heat waves, electricity brownouts, floods and severe droughts and other more extreme events in the future, thanks to climate change, says the director of a new University of Arizona research center that will try to help people do that.

March 24, 2014 12:00 am Photos

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Canal, pit houses from up to 4,000 years ago found under planned Marana outlet mall site

A major ancient human settlement — including pit houses, the likely remnants of an irrigation canal and human burials possibly dating back 4,000 years — has been discovered under the site of a planned outlet center along Interstate 10 in Marana.

March 23, 2014 12:00 am
Army Corps stlil not satisfied with Rosemont mitigation plans

Army Corps stlil not satisfied with Rosemont mitigation plans

After two years of review, the U.S. Army Corps of Engineers still has concerns about Rosemont Copper’s plans to buy land and water rights to compensate for the Rosemont Mine’s impacts on nearly 70 acres of washes and streams, a recent corps letter shows.

March 22, 2014 12:00 amLoading…
Takeover of Augusta would heighten concern over Rosemont's promises

Takeover of Augusta would heighten concern over Rosemont's promises

If Hudbay Minerals Inc. takes over Augusta Resource Corp., it will inherit far more than a massive copper mine site outside Tucson, a potential for huge production and profits, and an equally massive controversy.

March 16, 2014 12:00 amLoading…

Mine opponents see 3 cautionary tales

Opponents of the Rosemont Mine and a Tucson-area neighborhood group point to three cases, two local and one national, to back up concerns about a corporate takeover of Rosemont Copper’s parent, Augusta Resource Corp.

March 14, 2014 4:49 pmLoading…

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