ST. CLOUD — Shawn Sweeney likes to think of himself as a "tree doctor," and he cares for all his little (or not so little) "tree children." It's an informal way of describing his latest passion.

The urgent race to save North America’s iconic trees imperiled by invasive pests and pathogens. In waves across the land, some of North America’s iconic tree species are dying from a myriad of ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. After 15 years of relentless work to combat the spread of the Emerald ...

The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US in 2002. It is now found in over 30 states. These invasive beetles kill ash trees in just a few short ...

Create an account or log in to save stories. The invasive emerald ash borer, a type of beetle that bores into and eventually kills Ash trees, has been discovered in Fargo for the first time, raising ...

An invasive beetle that kills trees around the world has been found in four new Oregon cities after traps were set last month by state forestry officials. The emerald ash borer, native to Asia and ...