NEW YORK -- It's a tough time to be a tree. For this Earth Day, National Geographic has focused its lens on humanity's relationship with the world's 3 trillion trees and 10 billion acres of forest, ...
In this excerpt from her new book Tree Notes: A Year in the Company of Trees, National Geographic Explorer Nalini M. Nadkarni reveals how tiny “windows” in the bark of trees help them respire. What’s ...
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