Serious Ocean - Episode 8

Series in which eight young adventurers go to extremes to help the planet. The Ocean Eight take part in their final marine project, helping scientists dart dolphins to take flesh samples. They then sail to the world's most southerly glacier outside Antarctica, which they survey for the first time to check on global warming. Climbing onto the huge glacier and leaping over dangerous crevasses is a terrifying experience for some of the adventurers.