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This October, the over-a-century-old tree on Libe Slope located near the Sesquicentennial Memorial died and was cut down. This tree marks one of over 2,100 ash trees on Cornell grounds that will be ...

Experts say professionally applied chemical treatment is almost certainly effective, and cost can be justified by expense of ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Dozens of different species of ash trees grow around the world, all part ...

Ash trees are dying by the thousands in south-central Minnesota. Chainsaws are roaring as government workers struggle to keep up. And tree experts warn that 2025 will be much worse. St. Clair was the ...

Waterloo is partnering with the Iowa DNR to replace about half of the trees that were lost to the emerald ash borer in the past decade. The city will be making one type of apple tree and three species ...

A fast-track method of breeding disease-resistant ash trees has been developed by researchers leading efforts to conserve the ...

Emerald ash borers can kill ash trees in a short period, making identification of infestation and immediate treatment ...

One of the three wasp species the state's Division of Forests and Lands uses are tied to a tree during their release so they can emerge in their own time. Earlier this summer, during a scheduled tree ...

The tiny green insect is likely to tear a path of destruction through Oregon ash, but its late arrival has given the state time to prepare. A couple of weeks ago, Dominic Maze was picking up his kids ...

Fluffy giant pandas and ferocious Sumatran tigers get more attention, but beloved backyard trees face extinction threats, too. A new first-of-its-kind report on the conservation status of all 881 ...