CEDAR RAPIDS, Iowa (AP) — The hope of saving butternut trees in Iowa rests with the trees that appear to be healing from a fungal disease that has all but wiped out the species in Iowa. A state survey ...

The bigger they are, the harder they fall, right? When we lose big trees — the majestic and memorable — it hits us hard because we know it takes decades or even centuries for trees to reach those ...

KNOXVILLE, Tenn. — On Alcoa Highway, just five miles south of the University of Tennessee’s Agricultural Campus, is the East Tennessee Research Education Center-Plant Sciences Unit, a 212-acre field ...