Polar Explorations Season 1 Episode 16 Diving under Polar Ice
- TV-PG
- March 9, 2015
- 25 min
How do humans get beneath the surface of Arctic ice or the Antarctic Ocean? Join marine conservationist Sylvia Earle, a National Geographic Explorer-in-Residence, as she explains the technologies scientists use to dive safely beneath the sea ice in an effort to expand our knowledge of marine ecosystems at both poles.