 Dugan first recorded sounds in the late 1960s to augment his sound designs. He continued making recordings, concentrating on capturing the sounds of nature. Dugan records outdoors in a variety of locations including national parks and nature preserves. He has assisted in research related to the harmful effects of human-generated sound in nature. Dugan is a co-founder and current secretary of People for Legal and Nonsectarian Schools (PLANS), a California non-profit organization incorporated in 1997.
