380 The Great Barrier Reef; Kiribati and Vanuatu

Learn about the Great Barrier Reef off the coast of Australia and the serious threats it's facing to its survival. Also, author J Maarten Troost introduces the remote Pacific Island nations of Kiribati and Vanuatu, and we'll learn how people have lived for centuries on a series of coral atolls and on rugged islands that include an active volcano.

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