The US Department of Energy’s favorite tree is poplar. They’re the fastest growing trees in the Northern Hemisphere, making them tantalizing plants to harness for bioenergy. In this episode, hear from Oak Ridge National Laboratory scientists who have uncovered remarkable genetic secrets that bring us closer to making poplar an economical and sustainable source of energy and materials. Find more info on this episode, including the transcript, at https://jgi.doe.gov/genome-insider-s2-ep-7-the-bioenergy-tree/.