Environment

Saguaro Cactus Forest
It's fall, but the leaves aren’t changing in the Sonoran desert where we live. So what does fall mean in the Southwest?
Oct. 11, 2022
Grand Canyon National Park North Rim
As winter approaches, the Grand Canyon’s North Rim is preparing to make its seasonal shift to limited operations.
Oct. 8, 2022
Tonto National Forest
Two restoration projects are underway in the Tonto National Forest. The treatments are being done to mitigate the results of a wildfire that occurred over 30 years ago.
Oct. 8, 2022
classroom supplies
Researchers from Northern Arizona University and University of Arizona are collaborating with the Cocopah Indian Tribe to assess environmental health issues at a Head Start and day care facility. Concerns include possible air and water pollution from surrounding areas.
Oct. 6, 2022
Mexican wolf
Federal officials this week released the final revised plan to address illegal killings of the endangered Mexican gray wolf.
Oct. 6, 2022
Flagstaff
Arizona's 2022 monsoon season was a wet one, and there's more to come. But ASU's Randy Cerveny warns the trend won't likely carry on into winter.
Oct. 6, 2022
La Sauceda theme park
This week, the Sonoran government started work to restore an abandoned theme park and nearby wetland.
Oct. 4, 2022
snow on rocks
A new study from Colorado State University takes a deep dive into the complex connection between wildfires and snowpack and how it all relates to our diminishing Western water supply.
Oct. 4, 2022
sun shining through a tree
Although there’s a minimal chance for isolated showers Monday and Tuesday, metro Phoenix residents can expect mostly dry and cooler weather later this week.
Oct. 2, 2022
Biosphere 2
University of Arizona’s Biosphere 2 offers a living laboratory for studying drought under controlled conditions. Now, research shows scientists can detect airborne chemicals released by plants and possibly use them to track ecological stress.
Sep. 30, 2022
Grand Canyon National Park
Laundry, camp showers and other services are back to normal at Grand Canyon National Park, which has imposed water conservation measures a number of times this summer.
Sep. 28, 2022
a cactus against a sunset
The Bureau of Land Management has been working to update a management plan for the Sonoran Desert National Monument, and, after years of work, the agency is winding up the public comment period for the latest version of the plan.
Sep. 28, 2022
Apache trout
After years of restocking and recovery efforts, the U.S. Fish and Wildlife Service says that it will recommend delisting it at the end of the year.
Sep. 27, 2022
This is the Echo Canyon Trailhead entrance area at Camelback Mountain.
The Echo Canyon Trailhead near Camelback Mountain will be closed Monday due to an ongoing pavement project. The Town of Paradise Valley will be making road improvements on McDonald Drive located near the trailhead.
Sep. 25, 2022
Scottsdale
Last week, the Scottsdale City Council approved an ordinance preventing homeowners’ associations from forcing people to overseed their lawns. Overseeding is a popular fall procedure in Arizona used to convert summer grass into a more lush winter variety.
Sep. 24, 2022
Smoke curls in the air above the Pipeline Fire burning near Flagstaff
Wildfire season in Arizona turned out to be mild compared to past years. Last year, 1,600 fires burned about 530,000 acres of forest in the state.
Sep. 23, 2022
Bureau of Land Management sign
Conservationists say that the Bureau of Land Management could have a major role to play in the Biden administration’s America the Beautiful Initiative, which would set aside about a third of American public lands for conservation. Arizona conservationists want their state to be part of that effort.
Sep. 21, 2022
Tonto National Forest
Arizona has millions of acres of public land that residents can use for outdoor recreation. On Saturday, parks, monuments and forests around the country will celebrate that legacy.
Sep. 21, 2022
Wildfires are growing more frequent and severe, and wildfire season has lengthened by almost three months since the late-1970s. Experts say it’s time to think beyond battling these inevitable blazes and find a way to live with them.
More Arizona science news
Sep. 20, 2022
javelina family
A pair of conservation groups are looking at how wildlife is affected by the 30-foot steel bollard border wall built by the Trump administration.
Sep. 19, 2022

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