Environment

Grand Canyon National Park Bright Angel Trail Victor Vomit heat illness warning sign
One park official said there’s a 20-degree difference between the Grand Canyon’s rim and the bottom. Temperatures are expected to reach highs of 119 degrees in some places.
Jul. 15, 2023
Environmental groups suing the Biden administration over two mining exploration projects in southern Arizona have asked a judge to halt the projects in the Patagonia Mountains.
Jul. 14, 2023
A black rat aka roof rat
A UA entomologist said a surge in the population of roof rats in Tucson is no reason to panic, and encouraged residents to reach out to professionals to help rid their homes of the pests.
Jul. 14, 2023
clean water
The teams have received $4 million to research the decentralization and automation of potable water reutilization.
Jul. 13, 2023
Border cross
As a punishing heat wave rolls across Arizona and other states, aid groups working along the border say desperate migrants are still making the dangerous trek to the U.S.
Jul. 13, 2023
Phantom Ranch
Northern Arizona is usually where Valley residents go for respite from the summer heat. But next week, the region is expected to see near-record temperatures.
Jul. 12, 2023
Power lines monsoon
Phoenix’s monsoon season has been off to a slow start, but the National Weather Service projects slightly increased chances for storm activity over the next two weeks.
Jul. 12, 2023
sprinklers
Scottsdale will ban natural grass in the front yards of new homes. It’s the city’s latest action following Colorado River supply shortages.
More Arizona business news
Jul. 12, 2023
Natural Gas Stove Burner
The Show spoke with Christopher Kimball, founder of Milk Street and host of Milk Street Radio, about why chefs love to cook on gas stoves amid government moves to regulate them.
Jul. 12, 2023
KJZZ logo generic card
The Biden administration has pushed for reforms in public lands, renewable energy policy and oil and gas drilling — and more changes could be coming soon.
Jul. 11, 2023
stacks of wood
Arizona’s wildfire managers have struggled to keep up with thinning small diameter trees on the forest floor in recent years, so Salt River Project will join with a number of Valley cities to help reduce the fuel load.
Jul. 11, 2023
The Department of Agriculture awarded $32 million to the San Carlos Apaches for wildfire mitigation earlier this year, and the tribe is working with Tonto National Forest to reduce fire risk near the reservation border.
Jul. 10, 2023
House Rock Valley
Federal officials will be in Flagstaff next week to discuss the proposal for a new national monument in northern Arizona.
Jul. 10, 2023
Earth Thermometer sculpture Tempe
The Show spoke with Carol Olson, chair of the psychiatry department for Valleywise Health System, about how excessive heat specifically affects people with serious mental illnesses.
Jul. 10, 2023
researchers inspect a tunnel
Last month, 31-year-old UC, Berkeley Ph.D. student Gabriel Trujillo was killed in rural Sonora while carrying out field research on a common shrub called buttonbush. His murder is a reminder of the dangers researchers sometimes take to understand and conserve plants and animals in this region, and around the world.
Jul. 7, 2023
London Bridge Beach.
The Show spoke with Roger Naylor, longtime Arizona travel writer, about the best swimming spots to escape the heat.
Jul. 6, 2023
Monsoon storm lightning over downtown phoenix summer 2022
The Show spoke with Arizona State University professor and climatologist Randy Cerveny about what to expect for this year's monsoon season.
Jul. 6, 2023
a closeup of a white toilet
City officials in Tucson are promoting a program that teaches residents how to install water-saving systems in their homes in exchange for rebates from the city.
Jul. 5, 2023
Bureau of Land Management sign
An analysis of a proposed rule change for the Bureau of Land Management found that 92% of respondents favored the proposal.
Jul. 5, 2023
sun in phoenix
The National Weather Service says Arizona’s excessive heat warning will extend through Friday. Temperatures will top 110 degrees.
Jul. 4, 2023

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