Most climbers learn on rock or at the gym, but 26-year-old American Noah Kane started with trees in Costa Rica, where he spent much of his childhood. He did not climb up the branches as a curious kid ...

Saying that a recent tree-climbing school was hands-on is a bit of an understatement. As an arboreal activity that requires a whole-body commitment, the course held Aug. 12-15 by Penn State Extension ...

Green industry professionals seek professional development opportunities from the University of Delaware Cooperative Extension to provide career advancement opportunities and to provide their ...