About 95,000 ash trees live in Portland, and most of them could become infected and die in the next few years with the recent arrival of the emerald ash borer, an invasive, tree-killing pest that’s ...

In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This past fall, 15 years later, the city cut down its last ash tree. While St. Paul and other more populated cities have been ...

You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...

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 ...

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 ...

James E. Zablotny/USDA APHIS This week, crews removed dozens of infested ash trees in Forest Grove as part of a state plan to slow the spread of the destructive pest. This month, state agencies ...

TRAVERSE CITY — Hikers, property owners and others who frequent natural areas this fall have the opportunity to help restore a vanishing native tree species. The great die-off of millions of ash trees ...

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 ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...