Claim: While natural temperature fluctuations  have always occurred, they are now superimposed on a warmer background due to human-induced global warming. That causes mass coral bleaching to happen more frequently.
Fact-check: Analysis of "Large Sections of Australia's Great Reef Are Now Dead, Scientists Find" - Science Feedback
Verdict: analysis of "large sections of australia's great reef are now dead, scientists find"
Organisation: Science Feedback
Author: Scott Johnson
Date published: 2017-03-18T11:15:53