Experts say cultivating genetic diversity and mitigating Phoenix’s urban heat island must occur to protect native plants.

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades ...

Salt River Project, with aid from corporate, government and nonprofit partners, is thinning Arizona forests to prevent ...

Officials remained concerned that the Palisades and Eaton fires could break their containment lines as firefighters continue ...

Rainfall could send debris from hillsides charred by wildfires rushing down ravines and through drainage ditches into the Pacific Ocean.

That’s exactly what you’ll find at the Rose Tree Museum in Tombstone, Arizona. This isn’t your average garden-variety attraction, folks. It’s a slice of history with a side of “Holy cow, that’s a big ...

The state lost around 4.5 million trees after the derecho swept across Iowa four years ago, and millions more were lost to the emerald ash borer invasion. Schools can apply for the grant online by 4 p ...

Fremont cottonwoods are found along many rivers and streams across Arizona. But new research shows the iconic trees are struggling to survive as the climate warms. In a paper published in October in ...

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At least 5 are dead and thousands have fled their homes as multiple wildfires fueled by Santa Ana winds blasted across Southern California.

About five years ago, Arizona State University began its push to install mechanical trees around campus that would collect carbon dioxide out of the atmosphere to help fight climate change. In 2022, ...

National Highways said ash dieback had 'spread rapidly' to the trees alongside roads in the South West in recent years Diseased trees in Devon and Cornwall are due to be removed or made safe from ...