The large ash tree in our backyard has clearly had problems for years. One large limb died a few years ago, and the crown has been ever-thinner each year. This fall, however, seemingly overnight, a ...

Naturally occurring compounds in ash leaves could be linked to susceptibility of individual trees to the fungal disease ash dieback (ADB). But selecting trees with lower levels of these compounds and ...

When Shirley Rounds Davis moved to her home on the Far South Side decades ago, she could see a maple tree through the window. Over the years, she watched it grow. “And the birds would come,” Davis ...

TOWN OF ERIN -- The thousands of ash trees killed by the emerald ash borer across southern and central Wisconsin have not only become an eyesore, the trees that are still standing have become ...

The emerald ash borer, a small green beetle native to Asia, has been damaging ash trees in the Kansas City area for over a decade. Dr. James E. Zablotny, USDA U.S. Department of Agriculture A tiny ...

Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

How do you find an insect the size of your fingertip in a densely-packed forest? For Jian Duan, the answer is simple: follow the dead ash trees. On a rainy day in eastern Connecticut, Duan, a federal ...

Rob Davis is a tree guy. As the Grand Junction City Forester, he knows trees. It’s been a busy summer for him and the crew of arborists and parks workers. Maybe a little busier than usual, thanks to a ...

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 ...

The insect threatens the health and survival of the black ash tree. In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash ...