Climate Change

The Show on KJZZ

Listen live weekdays at 9 a.m.

summer cactus
For many of us, climate change conjures up nothing but images of doom and destruction, from disastrous storms to wildfires to scorching heat. But Chris Castro, a professor and associate head in the department of hydrology and atmospheric sciences at the University of Arizona, says there's still hope.
Apr. 13, 2022
ASU mechanical tree carbon capture drum
Carbon emissions are rising, and scientists are worried that we aren’t adapting fast enough to avoid the catastrophic effects of climate change. A device that looks like a 10-foot beer keg could help.
Apr. 13, 2022
Arizona Corporation Commission building
Conservationists and residents of the community of Randolph gathered outside the Arizona Corporation Commission building Tuesday to protest Salt River Project’s expansion of a gas-fired generating station. The commission voted 4-1 to deny the project.
Apr. 12, 2022
SRP building
Utility customers sent new members to Salt River Project’s governing bodies in elections Tuesday.
Apr. 6, 2022
Flash flood
Climate change could dramatically increase the risk of extreme rainfall after wildfires, potentially triggering more flash floods and mudslides across much of the western U.S.
Apr. 1, 2022
Phoenix skyline with a cactus
The Biden administration is working with states and cities across the country to try to boost the energy efficiency of buildings. In addition, there’s money in the bipartisan infrastructure law to help in this effort.
Mar. 30, 2022
tissues and medication
If you’ve been thinking that this year’s allergy season seems to be worse right now, that's probably because it is. And the culprit is climate change.
Mar. 29, 2022
summer cactus
Record high temperatures in the Valley this weekend will be met with an abrupt shift in weather patterns early next week.
Mar. 25, 2022
Experts have long expressed concern about the feedback loop between a warming climate and greenhouse gases released from melting permafrost. Now a new study suggests mountain permafrost might melt even faster than frozen ground in northern climes.
Mar. 25, 2022
Colorado River
The chairwoman of the Colorado River Indian Tribes is in Washington, D.C., this week to testify for a bill that would allow her tribe to lease its water to other parts of Arizona.
Mar. 22, 2022
U.S. government forecasters see a hot spring for much of the nation with drought in the West likely deepening. The West is in the midst of a record-shattering megadrought, and forecasters see it continuing.
Mar. 18, 2022
Lake Powell
An important Colorado River reservoir has fallen below a level that federal water managers were trying to maintain for hydropower generation.
Mar. 16, 2022
Bureau of Land Management
The Bureau of Land Management is seeking public input on a proposed 500-kilovolt transmission line that would cross the desert about 60 miles west of Phoenix.
Mar. 15, 2022
Phoenix Zoo
One of the big challenges to a carbon-free grid will be to replace gas vehicles with electric. The Phoenix Zoo has built some necessary infrastructure to help with that transition. A recent study at Arizona State University found that building a clean energy grid will require a lot of charging stations.
Mar. 11, 2022
Navajo Nation president's office
A company owned by the Navajo Nation is investing in a company that will take over the San-Juan Generating Station to put in technology to capture carbon dioxide emissions.
Mar. 7, 2022
parked scooters
Phoenix leaders recently voted to allow electric bikes on all city streets and agreed to extend a downtown pilot program for electric scooters. Razor and Spin will continue to rent e-scooters downtown for another year.
Mar. 3, 2022
electric motorcycles
Government leaders in Hermosillo, the capital of neighboring Sonora, say they want to tackle the causes and effects of climate change in the extremely hot city. One of those efforts is replacing police patrols cars with electric vehicles.
Mar. 3, 2022
A sign pointing to the emergency department at an Arizona hospital
The effects of extreme heat on physical illness and death are well-known. But most studies of its mental health effects are far more limited and regional. New research takes a wider view.
Feb. 24, 2022
Grand canyon interior
A new survey conducted by Colorado College has found strong support in the Rocky Mountain region for conservation efforts. Three-fourths of voters would support conserving 30% of America’s lands within the next decade.
Feb. 22, 2022
Cactus ferruginous pygmy owl
The U.S. Fish and Wildlife Service is proposing to list a tiny desert owl as a threatened species.
Feb. 18, 2022


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