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Scientists have discovered a 500-year-old coral in the southwest Pacific Ocean. As part of the research carried out by the National Geographic team, researchers who have reached some remote areas of the ocean floor have tried to determine how many coral reefs have been damaged by climate change. BBC reporter Georgina Ranard reports. #coralreef #nature #climatechange ___________ BBC News Telugu Whatsapp Channel: https://whatsapp.com/channel/0029Vaap... Website: https://www.bbc.com/telugu