20130927_ted_03.mp3?orgId=1&topicId=1025&d=783&p=57&story=216100454&t=progseg&e=216098121&seg=3&ft=nprml&f=216100454

Part 3 in the TED Radio Hour episode " Everything Is Connected."

About Bernie Krause's TEDTalk

Bernie Krause has been recording the wild — the wind in the trees, the chirping of birds — for 45 years. He has seen many environments radically altered by humans, sometimes even by practices thought to be environmentally safe.

About Bernie Krause

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