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A picnic area has been closed during an eradication effort at this site in Pima County.

The Buzz: Invasive plants and wildfire danger

Arizona's increasing risk of wildfire and encroaching invasive plants are putting native plants in peril.
The stinknet weed (Oncosiphon pilulifer), seen here with a key for scale, was being traded as Globe chamomile before being renamed. Scientists say it is an invasive plant in our region.

Invasive Plant is Causing Concern in the Sonoran Desert

South African native can flourish in Central and Southern Arizona
The Verde River near the site of a dam that was removed in 2022.

The Buzz takes a trip down the Verde River

Meet a man who has made saving this unique waterway his life's work
John Farley, director of fire test operations at the Naval Research Laboratory, tests the effectiveness of aqueous film-forming foam by spraying it on a gasoline fire. The test took place at the laboratory in Chesapeake Beach, Md. Oct. 25, 2019.

UArizona Health Sciences receives grant to study PFAS mitigation in firefighters' blood

Arizona Board of Regents grant will further an Australian study that could minimize forever chemicals' impact on health.
Kitt Peak observatory on June 19, 2022

Contreras Fire burns more than 18,000 acres

Fire managers say the fire is more than 40% contained.
Crews work to clear Wet Canyon on Mount Graham. The canyon was overrun with debris and sediment when multiple storms brought heavy rainfall to areas that were severely burned during the Frye Fire.

USGS: Wildfire-Caused Erosion Endangers Western Watersheds

Denuded landscapes allow sediment to soak up or contaminate run-off.

Experts: Fewer Trees May Result in Healthier Forests

Scientists say this could increase water supplies for people, help environment in Northern Arizona.
View of the Yarnell Hill Fire south of Prescott. The 8,400-acre fire killed 19 hotshot firefighters.

Yarnell Fire 100% Contained

U.S. Forest Service said the blaze that killed 19 Prescott firefighters ceased late Wednesday night.
View of the Yarnell Hill Fire south of Prescott. The 8,400-acre fire killed 19 hotshot firefighters.

Yarnell Residents Expected to Return Home Monday

Nearly 130 homes, structures were destroyed; 19 firefighters died in the deadly fire.

Nearly 130 Homes, Structures Destroyed in Yarnell Fire

Earlier estimates ranged from 50 to 250, officials obtained better number after getting a closer look at the scene.

Deadly Wildfire Continues Out of Control

Blaze that killed 19 firefighters has 'high' potential for growing beyond its 8,400 acres, officials say.
the tenth anniversary of the Aspen Fire on Mt. Lemmon; what does the mountain look like now, how is it recovering, concerns for the future

Wildfire on Mount Lemmon Burns 200 Acres

Blaze possibly caused by lightning Sunday evening continues to grow on site of Aspen Fire of decade ago.

Prescott in Mourning: 19 Firefighters Killed

1,000 jam auditorium for memorial; tears, eulogies, prayers, moment of silence mark Sunday's tragedy.
Sun

'Excessive Heat' Warning Remains in Effect in AZ

Temperatures to 116 Sunday, with limited outdoor activity advised; monsoon coming, but not soon enough.

Patagonia Wildfire 75% Contained

Mop-up beginning; flames no longer spreading
the tenth anniversary of the Aspen Fire on Mt. Lemmon; what does the mountain look like now, how is it recovering, concerns for the future

Ten Years After the Aspen Fire

Mount Lemmon recovering slowly from historic wildfire

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