A study of sound and its roles in terrestrial and aquatic ecology, biodiversity conservation, and environmental justice. Topics include the evolution and ecology of sonic communication and soundscapes, the role of sound in the study and management of ecosystems, the origins and effects of noise pollution, and the future of Earth’s sensory richness. Labs emphasize the appreciation, measurement, and analysis of sounds from the local environment. Prerequisite: BIOL 130 or ENST 101.