So what gives? Is the locust an aggressive outsider, or a longtime local? The answer is far from clear. In fact, the U.S.

Trees are indispensible for life as we know it. They clean our air, shade our streets, anchor our soil, and bring beauty to our landscapes. Beyond their environmental services, trees carry deep ...

Q: A couple of doors down from our home there is a large, round-headed shaped tree in the yard that has fairly large clusters of white blooms. Sort of shaped like a cluster of grapes. When we asked ...