Brown birch trees in both Southcentral and Interior Alaska this summer aren't signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the midst ...

Question: I'm writing to ask what to do about a 25-28- year-old white birch in my front yard. The leaves are turning yellow and falling at an alarming rate. This is the first time I have noticed such ...