Survival (S01E03)

David Attenborough's initial exploration of the Great Barrier Reef in 1957 left him in awe, believing it to be the most extraordinary location in nature, destined to endure indefinitely. However, since that time, the coral has been deteriorating at an alarming pace. In this episode, he embarks on a critical mission to uncover what the future may hold for this incredible ecosystem and to examine the efforts being made to preserve it.