In many places, spring happens gradually. But in far-north Fairbanks, Alaska, birch and aspen trees often put their leaves out over a span of just 24-48 hours, a dramatic event known as "greenup."
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1200 Weimer Hall | P.O. Box 118405
Gainesville, FL 32611
(352) 392-5551
A service of the College of Journalism and Communications at the University of Florida.
© 2026 WUFT / Division of Media Properties
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