Weather and Climate

Giant old saguaros can be resilient. It's baby saguaros researchers are worried about

Aug 14, 2024 Human-caused climate change is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive.

Arizona tribe wants feds to replace electrical transmission line after a 21-hour power outage

Aug 13, 2024 Tribal officials say the transmission line fails routinely and leaves residents and businesses without power — sometimes for days.

Satellites help researchers measure climate effects in Antarctica

Aug 11, 2024 Scientists are using data from orbit to keep track of snowfall and ice melt in the region.

Toxic Waters: EPA and military clash over Tucson’s groundwater cleanup

Jul 31, 2024 Families affected by cancer and premature deaths blame a history of polluted water in southern Tucson. The water utility is trying to clean up the problem.

Navajo Nation President stops truck carrying uranium across tribal lands

Jul 30, 2024 The uranium ore was being transported to Utah, where the only fully-licensed and operating conventional uranium mill in the United States is.

A wet week brings above average rainfall totals for Southern Arizona

Jul 29, 2024 Tucson has accumulated almost four inches of rain since the season began.

Dry but alive: Rethinking golf's green lawns

Jul 24, 2024 Golf is a commonly blamed culprit of Arizona's water woes. How much water goes to the state's courses?

AZPM’s Mini Severe Storm Guide

Jul 22, 2024 Fast-escalating storm causes widespread damage and power outages, prompting questions about monsoon season and climate change

Arizona’s monsoon means danger for those with asthma. Here’s how to cope.

Jul 21, 2024 While some may look forward to the monsoon season, as the storms bring lower temperatures, those with asthma prepare for discomfort and distress.

Monsoon brings mixed emotions for road workers

Jul 18, 2024 The staff is on-call 24-hours a day.

Taming the Colorado

Jul 17, 2024 The Colorado River is the most dammed waterway in the US, but what was it like before? We go back to the battle over Parker Canyon Dam and how it changed Arizona's rights to the river's water forever.

Things to know about heat deaths as a dangerously hot summer shapes up in the western US

Jul 14, 2024 It is unknown exactly how many people died in the most recent heat wave beginning July 1, but early signs indicate it was an especially deadly two weeks.

Tucson receives $11M for bus stop shelters, trees and more

Jul 11, 2024 Tucson’s Sun Tran system is receiving more than $11 million from the U.S. Department of Transportation. The money is meant to fortify transit infrastructure and help protect vulnerable communities from the effects of climate change.

Monsoon storm activity picking up late in the week

Jul 10, 2024 Some areas in Southeastern Arizona could see wind gusts up to 70 miles per hour.

Pima County heat-related deaths in June topped 2023's totals

Jul 8, 2024 Days with high temperatures also saw a notable increase from the previous year.

Persistent heat wave in the US expected to shatter new records as it bakes West and swelters in East

Jul 7, 2024 Phoenix topped out at 114 F, just shy of the record of 116 F dating to 1942.

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