Detailed text transcripts for TV channel - BBCNEWS - 20210622:00:09:00
Bleaching because you have rising sea temperatures which causes this phenomenon. there have been _ causes this phenomenon. there have been five _ causes this phenomenon. there have been five serious - causes this phenomenon. there have been five serious coral - have been five serious coral bleaching events in the past three years. the most severe were in 2020 and 2016. they are getting worse and scientists say it will continue to happen unless global action is taken to tackle climate change but unesco would like australia to take more decisive action first and hope that may play a small part i...