Today's episode features Dr. Bryan Pijanowski, Professor of Soundscape Ecology in the Department of Forestry and Natural Resources at Purdue University, in Indiana. He is the author of "Principles of Soundscape Ecology: Discovering Our Sonic World," which was just released and is a definitive guide to the field of soundscape ecology, the topic of today's episode. Dr. Pijanowski is also the author of an influential BioScience article on the field. Learn more about soundscape ecology at the Center for Global Soundscapes, and be sure to check whether the IMAX film discussed in the interview is playing near you.