The Western Pennsylvania Conservancy is using herbicide to kill tree of heaven trees to combat the spread of spotted lanternflies. The invasive insects threaten the regional grape industry. The tree ...

There's a beautiful but invasive tree that's a common sight along suburban roads. If you have it in your yard, have it ...

Add Yahoo as a preferred source to see more of our stories on Google. Feb. 11—The City of Columbia Falls recently had 11 ponderosa pine trees removed from Pinewood Park. The trees died due to the use ...