Q: I purchased a piece of land last year with three silver birch trees on it. The largest is about 30 feet tall and had a low branch removed many years ago. The inside of the stub rotted and was ...

BUFFALO, N.Y. -- Forests of silver birch stretch across Europe, and they are a wonder to behold: stands of slender, white-barked trees sheltering vast swathes of earth. But these woodlands also have ...