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Ponderosa pine forest

UA scientists uncover methodology problem in climate research

Correcting it could change investigative techniques in use for years.
Stacks of hay bales sit beside an irrigation canal in Imperial Valley on June 20, 2023. Critics have called for reductions to the amount of alfalfa grown with Colorado River water. The particularly thirsty crop is mostly used for cattle feed.

The Buzz: A legislative look-ahead at water and agriculture

The new legislative session is weeks away, so we look at the state's top water user.
Traffic in downtown Tucson.

Local leaders advocate swift action on EPA’s greenhouse gas standards for vehicles

Driving change: Calls for accelerated emission standards gain momentum as communities look to embrace cleaner, safer transportation solutions
The sun rises over a field in Northern Arizona.

UA’s College of Public Health secures $3.8 million NIH grant to pioneer climate change and health research

SCORCH initiative focuses on forecasting, adaptive responses and community resilience
An electric transmission line.

Construction resumes on SunZia Transmission Project following temporary suspension

Bureau of Land Management’s pause addresses cultural property concerns in the San Pedro Valley, work progresses on 520-mile transmission project
John Kmiec, director of Tucson Water at the Sweetwater Wetlands Park in Tucson, Ariz., on Thursday, Nov. 16, 2023. Kmiec says that the water that flows through the wetlands is highly treated water from the Pima County Agua Nueva facility that gos into the aquifer for future generations.

Tucson Water receives federal funding to combat PFAS, construct new water treatment facility

$30 million awarded through EPA from the Bipartisan Infrastructure Law
The StoryCorps trailer parked outside of Reid Park Zoo in Tucson, AZ.

StoryCorps invites you to join "The Great Thanksgiving Listen."

Also on Arizona Spotlight: Alejandro Canelos' short stories explore secrets of the desert; How Bisbee is supporting Arizona's pollinators; and the Arizona Wildlife Federation celebrates 100 years.
The San Pedro Riparian National Conservation Area in Cochise County, Arizona.

Conservation windfall in Arizona: America the Beautiful Challenge funds key initiatives

Statewide grant recipients develop nature-based solutions
This photo distributed by NextEra Energy Resources shows the 100-megwatt Borderlands Wind Project, which entered service in late 2021. Its 34 turbines will provide enough energy for Tucson Electric Power to supply 26,000 average homes.

BLM halts SunZia Transmission Project in Arizona amid concerns over cultural impact

A temporary suspension sparks consultations as the Bureau of Land management responds to cultural concerns, impacting a segment of the transmission project
A solar array used by Tucson Electric Power to add renewable energy to the grid, August 2019

TEP's energy plan under review

Assessing Tucson Electric Power's path to carbon neutrality and natural gas debate
Since the 1980s Tucsonans have replaced their green lawns with decomposed granite and opted for plants like palo verde trees and cacti, which can endure long periods of drought and extreme heat.

That green lawn may not be so green: Gas-powered equipment are heavy polluters

Gas-powered lawn equipment in Arizona emitted 445,908 tons of carbon dioxide in 2020, the polluting equivalent of putting 98,162 cars on the road, a new report says.
Regional and local leaders came to celebrate the kick off event for the new University of Arizona Western Environmental Science Technical Assistance Center for Environmental Justice (WEST EJC) at the Pima County Abrams Public Health Center in Tucson, Ariz., on Wednesday, Nov. 1.<br/><br/>From left to right: City of Tucson Mayor Regina Romero, EPA Regional Tribal Operations Committee Co-Chair Laura Ebbert, Regional Administrator for EPA Martha Guzman, Chair of the Pima County Board of Supervisors Adelita Grijalva, Dean of the Mel & Enid Zuckerman College of Public Health, Iman Hakim, Pima County Health Director Theresa Cullen, Deputy County Administrator, Francisco Garcia.

University of Arizona leads the way in western environmental justice initiatives

Empowering communities and bridging gaps: UA's role in transforming environmental equity
The sun rises over the Colorado River in the Grand Canyon.

Federal officials say plan for water cuts from 3 Western states is enough to protect Colorado River

The U.S. Department of the Interior said in a statement that the risk of reaching critically low water elevations at Lake Powell and Lake Mead, the river's two key reservoirs, has gone down substantially.
A pipe carries water from the Colorado River into a shed in Page, Ariz. on November 2, 2022.

Tap water is cheap. Maybe too cheap.

That means big spending and costs that will get passed along to the millions of people who use that water in sinks, showers and sprinklers.
The Colorado River flows near Hite, Utah on July 4, 2022.

New Colorado River rules will be hard to agree on

A new report shows just how tricky it could be.
Bands of discolored rock show that Lake Powell's water levels are lower than they have been for much of its past.

When a reservoir is more than just stored water

Reservoirs are a common solution to the seasonal ebbs and flows of river water. But, for some communities, they are so much more.

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