As we work on Part 6 of Carbon Valley, we're excited to present an episode of Worldview Stanford's Generation Anthropocene. Acoustic ecologist Gordon Hempton tells us the story of how he became "The Soundtracker," an unorthodox career choice that has led him around the planet three times in pursuit of the last pristine soundscapes. Journey along with Hempton from tropical jungles to the frozen North as he records the music from the solar-powered jukebox that is Earth.