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Gary Turner uses his turf harvester to peel 2-by-5-foot strips grass at his Washington City farm. He says the land and the water rights are so valuable in this fast-growing area that he often gets offers for the property in the heart of Utah redrock country.

Utah presses forward with pipeline plans despite Colorado River Basin constraints

The pipeline would be like dipping a 140-mile straw into Lake Powell halfway across the state.
"A" Mountain, or Sentinel Peak, stands above the dry riverbed of the Santa Cruz River near Tucson's birthplace. Feb. 22, 2018.

Supervisor Elias stresses importance of Clean Water Act to Senate committee

Pima County Supervisor Richard Elias about the importance of the Clean Water Act in the desert Southwest.
Gross Reservoir is a key piece of Denver Water’s delivery system. A proposal to expand the dam that holds up the lake has galvanized opponents who live near it.

On stressed Colorado River, states test how many more diversions watershed can bear

The river is running short on water, and this is pushing some states to tap into every available drop before things get worse.
One of four cactus ferruginous pygmy owls to be born at the Phoenix Zoo, 2019.

4 rare pygmy owls successfully hatch at Phoenix Zoo

The cactus ferruginous pygmy owl's range has been declining since the '70s.
The Greek island of Santorini was formerly an active volcano in the Argean Sea

UA researchers dating ancient volcanic eruption using tree rings

The tree rings can help them understand more about the explosion of a volcano thousands of years ago.
A California condor soars near the Grand Canyon. It is the most endangered bird in North America. It's also the largest, with a wingspan of about nine feet.

Endangered condor may have hatched in Zion National Park

Behavior changes in known breeding pair of birds indicate the possibility of hatched chick.
The view from the Oracle Ridge Trail looking north. The landscape would have been much the same as what Sara Lemmon saw on her journey up the mountain, except of course Biosphere II would not have been in the background.

Arizona Spotlight for May 30th, 2019

Also: Climbing Mt. Lemmon in the footsteps of Sara Plummer Lemmon; TIHAN celebrates 25 years of helping Tucson's HIV-positive community live better; and an artist who finds creative satisfaction in millions of tiny hand drawn lines.
The proposed site of the Rosemont Copper mining project is in the Santa Rita Mountains in Southern Arizona.

Support and opposition for two mines in Southern Arizona

As the Rosemont Copper mine plans to start construction, we talk with those for and against the project.
Sara Plummer Lemmon, age 44, a few months before she climbed to the summit of the Santa Catalina Mountains. / Photo by Wynne Brown. Original at the University and Jepson Herbaria Archives, University of California, Berkeley.

Walking in the footsteps of Sara Plummer Lemmon

The story of a botanist and artist who had a mountain named after her.
A view of the San Pedro Riparian National Conservation Area.

Balancing conservation, grazing and recreation on the San Pedro River

The Bureau of Land Management has a finalized plan to guide management of the San Pedro Riparian National Conservation Area.
The surface of LEO looking down one of the three slopes. The greenhouse above the slope is the same greenhouse that was used for agricultural purposes when humans lived in the Biosphere 2 in the early 90s.

Project tracing earth changes to introduce plants into its landscapes

The Landscape Evolution Observatory experiment at Biosphere 2 observes changes to natural landscapes in a controlled environment.
A truck hauls a load of dirt in the riverbed of the Santa Cruz where it's crossed by St. Mary's, May 16.

Tucson Riverbed Clearing Underway

The Santa Cruz and Rillito channels are being readied for monsoon rains.
A farm in Central Arizona.

Discussion Looks to Future Colorado River Negotiations

With the drought contingency plan on the books, water leaders are starting to think about what's next.
The San Pedro riparian area, containing about 40 miles of the upper San Pedro River, was designated by Congress as a National Conservation Area on November 18, 1988.

Sustaining the San Pedro River

A panel in Bisbee discusses the present and future of Southern Arizona's last large, free-flowing river.
A Border Patrol vehicle drives along a section of fence at the Organ Pipe National Monument, west of Lukeville, Arizona, on Friday, Nov. 2, 2018.

Border Wall to Go Up in National Monument, Wildlife Refuge

DHS has again waived environmental laws to build more barriers along the southern border.
NASA Worldview snapshot over Mexico on May 12, 2019, red dots indicating active fires.

Heat Waves, Fires Affect Mexico City’s Air Quality

The air quality in cities like the capital are getting worse due to fires in the southern part of the country.

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