3/3 Grant Sonnex talks to Pete Abraham, a Yupik Eskimo who grew up in a tiny settlement.
BBC Radio 4
2/3 A couple who study the spawning grounds of the world's last great salmon run.
1/3 Bear guide Derek Stonorov believes grizzly bears are not as fearsome as many people think.
Could a strange dog from remote New Guinea have been man's first best friend?