ABC - Catalyst Series 18 (2017) Part 4 Can We Save the Reef

Catalyst Series 18

Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.

Part 4 Can We Save the Reef

Off Australia's northeast coast lies a wonder of the world; a living structure so big it can be seen from space, more intricate and complex than any city, and so diverse it hosts a third of all fish species in Australia. The Great Barrier Reef as we know it – 8,000 years old and home to thousands of marine species – is dying in our lifetime.

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