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3:35
A look at how humans are producing salmon in an effort to protect the species.
6:15
Salmon in ecosystems and current efforts to restore salmon nutrients to streams.
6:50
Researchers from the University of Washington conduct a long-term experiment
1:03
As loss of pack ice increases, polar bears struggle to navigate an ocean of melting ice.
1:52
Ecologist Chris Morgan spends time with a black bear family living in Anchorage.
1:05
Garbage and bird feeders make Anchorage an appealing place for hungry black bears.
7:38
Alaskan brown bears struggle fatten up before winter hibernation.
7:10
The last female rafetus turtle is about to be introduced to her new home at the Suzhou Zoo
