U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

To walk down a street in a town like Midland, Mich., these days is to witness mass carnage — ash trees, long a favorite of city arborists for their tall silhouettes and abundant foliage, have been cut ...

But there’s hope, and that’s where Holden Arboretum is playing an important role, whether it’s researching spread of the disease, experimenting with insecticides, or trying to clone trees that are ...

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 ...

RENO BOTTOMS - The elm tree that towered over Andy Meier was a survivor. At 37 inches around and about 150 years old, it had so far avoided Dutch elm disease, the fungus that wiped out many of its ...