Blue Reef Adventures S01 E09 A Threat in the Ocean

The coral reefs off the islands of the Comores have ranked among the most breathtaking and magnificent that they have seen. But this once remarkable underwater world, teeming with fish and brilliantly colored coral has become bleached and lifeless. A once prolific eco-system is noticeably devoid of life - an effect of pollution and global warming. Peter Lamberti and Stefania Muller have documented the changes.