Gordon Hempton is founder and vice president of The One Square Inch of Silence Foundation based in Indianola, Washington. His books include, together with John Grossman, "One Square Inch of Silence: One Man's Quest to Preserve Quiet." He has produced more than 60 albums of natural soundscapes. This interview is edited and produced with music and other features in the On Being episode "Gordon Hempton — The Last Quiet Places: Silence and the Presence of Everything." Find more at onbeing.org.