When Brenda Sandberg was a little girl growing up in Durham, N.H., a large maple tree separated her childhood home from the neighbor’s. The tree’s limbs were big and low, and on nice days after school ...

When Tim Kovar, perhaps the world’s most sought-after professional tree climber, saw recent headlines about people illegally ascending giant redwoods in California, he experienced a familiar emotion: ...

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 ...