Nature(OAD: 04/05/2009)

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Nature : Frogs: The Thin Green Line

(First Aired: April 5, 2009)

Scientists try to save populations of frogs, as large-scale die-offs of the amphibian continue around the world.

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(First Aired: March 29, 2009)

Kilauea, on Hawaii's Big Island, is an active volcano that has created 544 acres of new land and has consumed 200 homes.

(First Aired: April 19, 2009)

Intensive captive breeding programs aim to sustain endangered species and return them to the wild.

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