For more than a thousand years in eastern North America, anyone who wanted to build a house or replace a roof, or maybe just needed a few storage bins, a canoe, and a snow shovel, knew where to shop.

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 ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely accurate, Gore ...

CENTRAL PARK, Manhattan (PIX11) — After 160 years, a legendary tree will be cut down in Central Park. The century-old elm tree at the iconic Tavern on the Green restaurant will be removed after the ...

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 ...

In early July, Denver’s forestry team discovered that Dutch elm disease – a fungal tree killer that targets American elms – was back after a twelve-year absence from the city. While the team is hoping ...