The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Tree experts say green ash trees that are losing leaves in Le Mars and other parts of northwest Iowa ...

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

Add Yahoo as a preferred source to see more of our stories on Google. John Poltrack / Getty Images There’s a lot to love about mountain ash, a delightful native tree that fits easily into urban and ...

Dartmouth College undergraduate researcher Farrar Ransom looks up to the still-unfolding leaves of an ash tree in the Hubbard Brook Experimental Forest in North Woodstock, N.H., on May 19, where he ...

In late June, Paul Cigan got a call from an arborist in Burnett County asking him to check out a suspicious ash tree. The the leaves on the upper branches of the tree had thinned, making the tree look ...

PORTLAND Ore. (KPTV) - A bug that’s led to the destruction of hundreds of millions of trees has made its way into our area. It’s called the emerald ash borer, a type of beetle that lays eggs inside ...

The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

Sioux Falls city officials are urging homeowners to schedule the removal of ash trees that have been affected by emerald ash borers, emphasizing that both cost and danger will only increase as time ...