A surge in insect attacks is already underway, and mild winters are the culprit.

Trees protect wild animals from extreme heat and cold by keeping temperatures inside their cavities more stable than outside.

A new Colorado State University study of the interior U.S. West has found that tree ranges are generally contracting in response to climate change but not expanding into cooler, wetter ...

Add Yahoo as a preferred source to see more of our stories on Google. May 13—May is Minnesota's Arbor Month, an entire 31 days of appreciating trees and what they can do for our world, our community ...