Botanists and ecologists have noticed changes in the northern Appalachian Mountains. More trees and small shrubs are growing in the alpine zones. Will they crowd out alpine plants?
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Tree-rings unlock 195 years of past climate in the Gaspésie mountains.
When forester Benton MacKaye proposed building an Appalachian Trail 100 years ago, he was really thinking about preserving a larger region as a haven from industrial life.
