A Mystery in Alaska: Introduction
Steller's sea lions are rapidly disappearing from Alaska's waters, and no one knows why. A broad combination of factors could be responsible.

Steller's sea lions are rapidly disappearing from Alaska's waters, and no one knows why. A broad combination of factors could be responsible.
For Ernest Thompson Seton, it wasn’t just a question of saving the wilderness. He believed that people had to experience nature in order to care about it. What’s your connection to nature?
(Premieres Sunday, September 26) As the possibility of an end to the U.S. trade embargo looms, Cuba’s wildlife hangs in the balance. Could Cuba set an example for development and conservation around the world?
Meet Rodney Jackson, one of the world's leading snow leopard biologists and conservationists and director of the Snow Leopard Conservancy.
Since the first breeding success in 1985, Mull Eagle Watch has been vitally important in protecting white-tailed sea eagles from harm.
NATURE goes behind the scenes of The Cheetah Orphans in an interview with filmmaker Simon King.
Celebrate Earth Day with NATURE by sharing these conservation-themed episodes that you can watch online with your friends and family.
Scientists are struggling to understand why frogs are dying all over the world. But everyone can be a part of the solution. Here are some ways you can help.
Allison Argo, the filmmaker behind Frogs: The Thin Green Line, discusses the making of the film in this Web-exlusive video.
(Airs Sunday, April 18) More than a third of all amphibians have already been lost, and more are disappearing every day. A fungus called chytrid has been identified as the major culprit.
Produced by THIRTEEN ©2012 Educational Broadcasting Corporation. All rights reserved.