After ten years of preparing for and working to prevent the spread of emerald ash borer in the Denver metro, the city and ...

Where to Plant Mountain Ash Grown with a single trunk, it’s a good choice for a small specimen tree. It usually tops out between 15 and 20 feet tall, so it works well in smaller landscapes.

As China's first UNESCO World Cultural and Natural Heritage Site listed in 1987, Taishan Mountain is home to 18,195 ancient ...

Enough coal ash slurry to fill 800 Olympic swimming pools swallowed a town in 2008, carrying toxins, sickness and bitter ...

The staghorn sumac seed heads are beginning to change color and are now pale yellow, but as summer progresses the seed heads will become a crimson color. If you are not familiar with the staghorn ...

That's the way Meredith Cochran describes the young stand of beech trees that is dying on the upper reaches of land she owns in Hancock behind her house. Three years ago, Cochran first noticed the ...

In the north of the country, a village that has been isolated from the outside world for centuries is suffering from the ...

You’d be excused for being suspicious of these concoctions. Poured into clear-glass one-gallon jars of unregulated ...

Natural selection is acting upon thousands of locations within the ash tree DNA, driving the evolution of resistance as the ...