Climate Change

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Preparing for a $2 trillion overhaul of the nation’s infrastructure, the Biden administration has handed out letter grades to each state. Arizona has been given a C for its infrastructure, which sounds rather average, but only two states received a higher mark.
Apr. 12, 2021
Cannon Beach Mesa rendering
Late last month, Cannon Beach Mesa broke ground as the next generation of water park. But not everyone is excited about a new water park in the midst of an ongoing drought.
Apr. 12, 2021
A desert city built on a reputation for excess and indulgence wants to become a model for restraint and conservation with a first-in-the-nation policy banning grass that nobody walks on.
Apr. 12, 2021
Saguaro Cactus Forest
It’s estimated that there’s more than 2 million cacti at Saguaro National Park. That's a roughly 7% increase from the 2010 saguaro census. Still, experts are worried about the low number of young saguaros that are cropping up to replace their towering elders.
Apr. 5, 2021
corn  in field
State officials are putting farmers in south-central Arizona on notice that the continuing drought means a “substantial cut" in deliveries of Colorado River water is expected next year.
Apr. 5, 2021
Arizona Corporation Commission building
As Arizona’s utilities push for an increase in renewable energy, the Arizona Legislature is digging in its heels.
Mar. 31, 2021
Power lines
A Government Accountability Office report says that climate change could have far-reaching effects on the electricity grid.
Mar. 11, 2021
Agriculture has been a major part of the state’s economy for a very long time, but droughts and heat waves have made many farmers’ jobs more difficult. But researchers from the University of Arizona and elsewhere around the southwestern U.S. and Mexico say they have a way for farmers to deal with climate change, while producing more and healthier food and using less water.
Feb. 23, 2021
hot Thermometer
Last year was a record breaker for heat in Phoenix. There were a total of 145 days of high temperatures reaching at least 100 degrees. Experts see that trend continuing in 2021.
Feb. 7, 2021
randy cerveny
Now, Mongolia may enter the climate record books for the highest surface air pressure ever recorded. Arizona State University professor and climatologist Randy Cerveny coordinates the World Meteorological Organization’s evaluation of climate extremes. He’s looking into the Mongolia numbers.
Jan. 7, 2021
sun in phoenix
New research shows Arizona is both highly vulnerable to the health effects of climate change, but also highly prepared to deal with those impacts. The report finds Arizona is one of 17 states in the highest level of vulnerability, and one of 16 states with the highest level of preparedness.
Dec. 11, 2020
Climate change is an ongoing — and growing concern — around the world, and particularly here in the Southwest as we recently emerged from the hottest summer on record in Phoenix. The Trump administration hasn’t made dealing with climate change a priority, but there are already signs the incoming Biden administration will.
Nov. 24, 2020
American pika
The potato-sized rabbit-cousin called the pika has long stood as a coalmine canary for global warming. But one research review suggests the role of human-induced climate change in its decline might be overblown.
Oct. 17, 2020
sun in phoenix
Phoenix set a record last week for days with high temperatures in the triple digits. Now, research on 47 U.S. metro areas suggests heat exposure across the 21st century might exceed expectations.
Oct. 17, 2020
A southewestern willow flycatcher.
In late September, thousands of migratory birds were found dead in places like Arizona, New Mexico and Texas. Some are attributing that to dramatic weather shifts. The Show spoke with Troy Corman, avian monitoring coordinator for Arizona Game and Fish, about this.
Oct. 7, 2020
sun in the sky
A virtual climate panel discussion explored issues of record heat, water shortages and wildfires and how they affect Arizona communities. Panelists discussed the current situation in Arizona, and what needs to be done if the state wants to be sustainable into the 22nd century.
Sep. 25, 2020
Stephen Cheney
The effects of climate change are being blamed for the catastrophic wildfires burning on the West Coast right now in California and Oregon. But national security — and how we work with and protect allies — could be affected, too as this nation and the rest of the world become hotter and drier.
Sep. 17, 2020
Lightning in Phoenix
This year’s monsoon season was one of the driest on record. Will this be the new normal? One expert says whether or not they disappear, monsoons in Arizona are certainly going to look different in the future. And climate change is likely to blame.
Sep. 15, 2020
Arizona is home to the country’s largest contiguous area of Ponderosa pines, some of which burn each year during wildfire season. Now, a new study examines how those trees recover or decline under an uncertain climate future.
Aug. 31, 2020
An aerial photo of Phoenix
The Valley’s extreme heat continues, as this is one of the hottest summers the area has ever experienced. But the problem isn’t short-term. Scientists expect the impact of climate change to be felt even more deeply in the future, and the Southwest is at the center of that.
Aug. 26, 2020


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