This summer, the U.S. Department of Agriculture confirmed the detection of the ash borer in Marion, Yamhill and Clackamas ...

It’s called the emerald ash borer, a type of beetle that lays eggs inside the bark of ash trees. The larvae burrows inside ...

Oregon is known for its evergreen forests but there are plenty of Oregon fall colors to be found! Here are 13 of our favorite ...

Amur maackia has a vase shape with rounded crown. The compound leaves lend a fine-textured and airy appearance to the tree ...

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 ...

Climate scientists say cities that rely on rivers and streams for drinking water need to prepare for what's to come.

These are the best fall foliage train rides in the United States, offering breathtaking views of the changing leaves, and ...

Dry east winds fanned flames across 1,600 acres in three days, threatening to send ash ... leaves and other plant material that serve as a natural water filter. And unlike many other ecosystems ...

Looking for a unique autumn experience? Now's the time to visit one of the North State's many scenic waterfalls. Here's your ...

This slurry of ash and charred soil cascaded toward the ... there’s a lot of “litter” on the ground—pine needles, dead leaves, debris. “It acts like a sponge,” says Rhoades.