Eleven wildfires are blazing in Arizona, covering 448 square miles. The largest, known as the Bush Fire, is in rugged terrain in the Tonto National Forest about 40 miles northeast…
New research from leading scientists raises questions about President Donald Trump’s assertion that warm weather and summer temperatures will drive away the novel coronavirus that causes COVID-19. At a New Hampshire…
Arizona’s engineering masterpiece, the Central Arizona Project (CAP), is celebrating 35 years of delivering Colorado River water to the state’s populous regions. The decades-long struggle to get the canal project…
Federal regulators have given a Phoenix company the green light to study a hydropower project for the Little Colorado River, what opponents fear is a first step toward “destroying incredibly…
As if fighting fires wasn’t dangerous enough, firefighters now have to worry about COVID-19 while they’re on the job, making for what fire officials say will be the “most challenging…
Environmentalists are blasting a Trump administration call for “bold action to revive and strengthen the uranium mining industry,” an industry whose history they say has left a “toxic trail” through…
It’s the early 1990s, and Park Williams stands in the middle of Folsom Lake, at the base of the Sierra Nevada foothills in Northern California. He’s not walking on water;…
There may not be a more unique place in our country than Arizona. From our deserts and wide-open landscapes to our snow-capped mountains and the Grand Canyon, our state is…
The Phoenix area is famous for its warm spring days and wealth of outdoor activities, but it’s also known for something less flattering: some of the worst air quality in…
A week after metro Phoenix was drenched by record-shattering rain, another storm will bring additional drops to the desert and flakes to the high country. The storm, which now is…
Last month was Earth’s warmest January on record, the National Oceanic and Atmospheric Administration reports, and that was true in Arizona, where January 2020’s average temperature was 3.2 degrees above…
A global mining company that is building a “mine of tomorrow” in southern Arizona with goals for net-zero emissions and water recycling recently completed a $30-million voluntary clean-up project to…
