Activists protesting work on the border wall in Arizona's San Rafael Valley focused on what they called "ancient" cottonwood trees. A scientist says the trees aren't that old. One of the trees is at ...
The movement includes advocates from environmental groups on both sides of the border, including the Sierra Club, Sky Island ...
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 ...
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