Tree-ring researchers at the University of Arizona have helped date what they called the oldest tree in Europe — a 1,075-year-old Bosnian pine growing in the mountains of Greece. To be precise ...

These squiggles are typical of the pattern left by the emerald ash borer. They were found inside the bark of a tree the city cut down Friday in Pulaski Park. Last week the city held a press ...

Nicole Santa Cruz, ProPublica, and Dave Biscobing, ABC15 Arizona ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up for Dispatches, a newsletter that spotlights wrongdoing ...

But most people won’t start to notice ash trees starting to look unwell until probably 40 or 50 per cent of the tree’s already dead,” Curran said. Gardeners may be more familiar with Dutch ...

What a striking lone ash tree on one of Scotland's busiest streets tells us after Sycamore Gap felling. By David Treanor. Comment. Published 4th May 2025, 06:00 BST.

Of its top dozen population centers, tree cover ranges from 1.9% in Lake Havasu City in the barren Mojave Desert to 26.2% in Flagstaff, which is in the pine-laden Coconino National Forest.

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 since, the wood-boring beetle ...

Manitowoc's Tree for a Tree Program aims to combat Emerald Ash Borer’s devastating effects. ... Arizona State coach Kenny Dillingham shows true class with post-game gesture after Peach Bowl loss.

TUCSON, Ariz. (KVOA) — The University of Arizona will celebrate the planting of the Artemis I Moon Tree, a sweetgum tree that symbolizes a significant milestone in lunar exploration.

Arizona Christmas tree permits are available online or in person. “There are two ways to get a permit," said Michelle Williams, timber resource specialist for Tonto and Coronado national forests.

ADAMS — Robert Blanchette is glad no one was in the parking lot when the tree came down. For a moment in Adams on Tuesday, the ground shook when an 80-foot ash tree fell atop a building at Hobby World ...