A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop ...

Littleton has detected the Emerald Ash Borer in at least one tree in town. The beetle is a non-native pest that has the potential to dramatically change the landscape of Colorado's Front Range. "One ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...

How tall will a tree grow in 23 years? That’s a very specific question. A lot of factors go into figuring out the answer.

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 ...

A new bug that can kill that ash tree in the front yard in just a couple of years has been discovered in Louisiana. On Wednesday, the Louisiana Department of Agriculture and Forestry reported that the ...

A decade after ash dieback was found in the UK, there is still a real threat of importing other diseases with a “similarly devastating” impact, conservationists warn. The disease, which causes leaf ...