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 ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...

The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...