How drilling into trees helps us study the impacts of major flooding

For someone who studies a serene topic like trees, NDSU Extension Forester Joe Zeleznik has quite a few pressing issues on his plate. In this episode, Don and John welcome Zeleznik onto the Growing Together podcast for a conversation about trees, which is normally a rather quiet topic. Zeleznik's studies, however, take him into some urgent topics like flooding and the spread of invasive species like the emerald ash borer.