The world’s climate math increasingly hinges on a surprisingly specific variable: whether the Amazon’s biggest trees are left ...

With trees, as with elephants and in swimming, trunks are important. They’re part of trees’ beauty, strength, majesty, and mystique. We have things to discuss. Like people, trunks come in all shapes ...

Add Yahoo as a preferred source to see more of our stories on Google. Tree with multiple trunks growing - Ahmad.S.H Photography/Shutterstock When you want to ensure ...

What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...

Neighbors and tree advocates circled the trunk, trying to protect it. Condo board members said the tree's removal was sad but necessary. Big Red stood a hundred feet tall, with a trunk so wide that if ...

Q. I just planted a fruit tree and was told by a friend that I should paint the trunk with white paint. I really don’t like the idea of a tree painted with white paint in my front yard. Is it really ...

Students squinting along a sunny stretch of sidewalk outside the Roanoke College library find a moment of cool refuge beneath the leafy shade of an old, but steady-growing champion. A Dutch elm tree ...