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Patagonia's orange sludge earns a mention in a national investigative piece

While Patagonia residents and officials grapple with pollution from long-closed mines in their environs, this hard-hitting piece from the Center for Investigative Reporting takes a national look at the  problems associated with abandoned mines.

October 22, 2014 11:09 amLoading…

Harvesting guru Lancaster strikes it water-rich during big storms

In his own blog, water harvesting advocate and author Brad Lancaster tells how he was able to divert water running down his street to transform a 5-year storm during September's heavy rains into the equivalent of a 1,000-year storm's worth of…

October 22, 2014 10:50 amLoading…

Ozone standard clock ticking again for Tucson and the U.S.

The question of whether to tighten federal standards for the pollutant ozone is knocking on the door once more.

October 09, 2014 4:44 pmLoading…

Perk up your plants with this fast fix

Perk up your plants with this fast fix

This time of year, your tomatoes are tired, your squash is sulky — even the peppers are petering out.

September 08, 2014 2:45 pm Photos

Photos

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Enviros don't think EPA's "Better than BART" plan is truly better

Environmental groups fighting a new, federally approved cleanup plan for the Navajo Generating Station say the Environmental Protection Agency is wrong to say that the new plan would clean the plant up more in the long run than an earlier pla…

July 29, 2014 10:58 amLoading…

While our monsoon roars, UA's Overpeck tweets on the drought

During today's deluge, University of Arizona and world-renowned climate scientist Jonathan Overpeck posted plenty of tweets on the drought (and a few on the rains, too). The drought's not over yet after 10 days of monsoon rains, so this blog …

July 15, 2014 7:22 pmLoading…

Abu Dhabi, here we come

It's been said by some scientists that if climate change/global warming proceeds in the next 40 years as it has over the past 20 or so years, Tucson will feel like Phoenix by the mid to late 20th century.

July 14, 2014 4:47 pmLoading…

Official: Phoenix could survive future CAP shortage

Phoenix won't run dry if the CAP runs short, official says.

June 25, 2014 1:21 pmLoading…

Rosemont permitting delays led to Hudbay takeover agreement, Augusta board chairman tells Canadian paper

Richard Warke, chairman of Augusta Resource Corp.'s board of directors, told the Canadian Financial Post newspaper this week that permitting delays for the proposed Rosemont Mine helped lead to the friendly takeover agreement that the company…

June 24, 2014 5:38 pmLoading…

SSSR release on the Augusta-Hudbay agreement

The following comes from Save the Scenic Santa Ritas' press release on the impending Hudbay takeover of Augusta Resource Corp.:

June 24, 2014 8:15 amLoading…

Augusta, Hudbay's statement on the Rosemont Mine takeover agreement

For the record, we're posting excerpts from news releases on the Hudbay Minerals Inc. -- Augusta Resource Corp. takeover agreement from Augusta and Rosemont Mine opposition group Save the Scenic Santa Ritas. Hudbay's news release was identica…

June 23, 2014 6:44 pmLoading…

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…

NY Times on the Central Arizona Project and shortages

Last Wednesday, the New York Times ran a followup story to our article of a week ago -- June 15 -- about warnings from the Central Arizona Project that CAP shortages could hit Tucson and Phoenix a lot sooner than most authorities had previous…

June 22, 2014 12:11 amLoading…

CAP and Lake Mead story--credit where credit is due

My story in Sunday's paper warning of the potential consequences to the Central Arizona Project, Las Vegas and Hoover Dam power supplies from a steadily dropping Lake Mead got a lot of reaction. But I want to say that in reality, we weren't t…

June 17, 2014 3:40 pmLoading…

Groundwater management still matters, 34 years after passage of pioneering law, water leader says

Kathleen Ferris, who helped shepherd into existence the pioneering 1980 Groundwater Management Act, is now director of the Phoenix-based Arizona Municipal Water Users Association. The association is a non-profit corporation, whose Board of Di…

June 10, 2014 1:58 pmLoading…

Judge overturns state decision OKing big Sierra Vista development

In a big victory for San Pedro River-lovers, a Superior Court judge  overturned a state ruling that had approved a project of 7,000 homes in the Sierra Vista area.

June 10, 2014 10:54 amLoading…

Rosemont criticizes opposition lawsuit challenging state air permit

Rosemont Copper has criticized a lawsuit from the opposition group Save the Scenic Santa Ritas that challenged a state air quality permit for the proposed copper mine.

June 09, 2014 11:56 amLoading…

Augusta v. Hudbay: Point/counterpoint

In the Business section of today's Star print edition, I have a story comparing the 1st quarter 2014 financial reports of Augusta Resource Corp., which currently owns the proposed Rosemont Mine site, and Hudbay Minerals Inc., which seeks to a…

June 01, 2014 12:00 amLoading…

Et tu, Chris? Augusta analyst now thinks Hudbay could have a chance

A longtime mining analyst who follows Augusta Resource Corp. says he thinks Hudbay Minerals Inc. has a better chance than before to win its hostile takeover effort to buy out Augusta--Rosemont Copper's parent company. The analyst also says Au…

May 24, 2014 12:00 amLoading…

Both sides sound off on latest news on potential new Rosemont delays

The recently released letter from the U.S. Fish and Wildlife Service regarding the prospect of additional endangered species reviews for the Rosemont Mine has generated the usual flurry of statements and counter-statements from the two sides …

May 22, 2014 3:00 pmLoading…

Rare ocelot photographed in Santa Ritas, not far from mine site

A male ocelot -- the fifth documented in Arizona in recent years -- was photographed last week and again in early April in the Santa Rita Mountains south of Tucson.

May 21, 2014 4:55 pmLoading…

LA subway extension gets federal money after many years of waiting

I normally keep this blog confined to Arizona matters, but this item I just saw on the Los Angeles-based LA Observed blog is too significant for me, as a native Angeleno, to ignore.

May 21, 2014 10:35 amLoading…

Dick and Nan Walden v. Augusta, WSJ-style

A MoneyBeat blog item in the Wall Street Journal, posted late last night, pits Sahuarita pecan growers Dick and Nan Walden against Augusta Resource Corp. in the ongoing struggle over the proposed Rosemont Mine. Fairly simple piece, with only …

May 21, 2014 7:23 amLoading…

Live blog transcript: A conversation between Don Diamond and Chuck Huckelberry

Live blog transcript: A conversation between Don Diamond and Chuck Huckelberry

The Star's Tony Davis blogged live from the second quarter meeting of the Pima County Real Estate Research Council. The event is billed as "a candid conversation between Donald Diamond and Chuck Huckelberry."

May 15, 2014 12:00 am

About this blog

Star reporter Tony Davis covers topics in this blog that you have read under his byline for more than 30 years in the Southwest: water, growth, sprawl, pollution, climate change, endangered species, mining, grazing and traffic.

To reach Tony call 806-7746 (office) or 349-0350 (cell) or write him at tdavis@tucson.com.

Tony Davis tweeting from Morelos Dam