Catalyst - Season 18, Episode 8 (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. Professor Emma Johnston meets the intrepid scientists racing to understand & save the Great Barrier Reef.
Catalyst was broadcast on ABC at Friday 28 June 2019, 11:00.
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Catch up TV on Catalyst. Watch the latest and all other episodes of Catalyst now online, broadcasted on ABC1. Catch up on your favorite ABC1 TV show: Catalyst. Replay tv on its best! Australia's premier science investigation series.