COCONUT GROVE, Fla. — From the arid deserts of Arizona to the lush foliage of Florida, trees can make a big difference in the world around us. “Trees are crucially important for our urban environments ...

Planting more trees is often seen as one of the simplest ways to fight climate change, and it is. But a new study from UC Riverside shows that exactly where trees are planted matters just as much as ...

Add Yahoo as a preferred source to see more of our stories on Google. An elm tree appears undamaged at Seriina Covarrubias' house in Altadena. (Myung J. Chun / Los Angeles Times) The oak trees saved ...

University of Alberta research is showing how trees and fungi team up to survive and stay healthy against insect attacks—an alliance that could lead to more resilient forests. Endophytes—tiny ...

These amazing photos show what happens when trees fight back against erosion. Even when erosion removes large amounts of soil, many trees survive because their roots extend far below the surface. Some ...

Geneticist Zhang Huarong walks through the forest near his Hong Kong research lab, gesturing towards a rotting incense tree stump that is one of over a dozen illegally felled for the valuable wood ...