On a recent June morning, under a cloudless blue sky, the American elms near the Central Park Mall and Literary Walk looked so green they almost glowed. And high up on their twisty boughs—if you ...

When you hear "tree rodeo," you may expect people lassoing branches. But in this event, arborists for utility companies show off the skills that allow them to safely remove trees from power lines.

Professional climbers met at the Davey Seed Campus in Kent for the National Tree Climbing Competition to spread awareness for ...