On Thin Ice
- Episode aired Apr 22, 2012
- TV-PG
- 58m
David Attenborough journeys to both polar regions to investigate what rising temperatures will mean for the people and wildlife that live there.David Attenborough journeys to both polar regions to investigate what rising temperatures will mean for the people and wildlife that live there.David Attenborough journeys to both polar regions to investigate what rising temperatures will mean for the people and wildlife that live there.