Saukville — When Steff Merten asked who wanted to go first, of course it was the guy wearing a Spider-Man T-shirt who raised his hand. Merten had shown members of Riveredge Nature Center's adult tree ...

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 ...

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PHILADELPHIA (CBS) --Some people were hanging around in trees in Fairmount Park today, and they will probably be doing more of it all week. They are taking part in a tree climbing class being offered ...