Many of us head for mountain forests as summer heat comes on - and a new book by a Tucson author could enrich your experience in the cool, green woods. "Mountain Trees of Southern Arizona: A Field ...

Among many other benefits, planting trees around your home really can save energy, according to the National Forest Service. The NFS said shade from two 25-foot tall trees on the west side of the ...

TEMPE, Ariz. — Two researchers at Arizona State University are aiming to help officials manage trees based on how different types are affected by climate change. Janet Franklin, a geography professor, ...