Sound-off on Sonar

Living on Earth

Three years ago, whales and dolphins beached themselves on the coast of the Bahamas. The U.S. Navy later acknowledged that its use of a powerful sonar system damaged the mammals’ auditory systems, which may have caused the beachings. Ken Balcomb is a whale researcher and a former naval officer who’s been campaigning to end sonar testing in marine mammal habitat. Host Laura Knoy speaks with him from his oceanfront headquarters on San Juan Island.

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