Detailed text transcripts for TV channel - CNN - 20180916:08:53:00
Ecosystems are in peril. >> reefs are going down in cover. there is a catastrophe for coral reefs in the world everywhere except here. >> reporter: bleaching leaves the reefs extremely vulnerable overcome by water perhaps too warm for corals to survive. the great barrier reef off the coast of australia seen here has experienced mass bleaching. >> the gulf has never been exposed to bleaching. there's no bleaching here, although the water is warming up. >> reporter: it's a privilege along the corals to see the world thriving of majesty in full display. researchers say thousands of years ago the ...