Claim: Coral bleaching has been a natural part of the Great Barrier Reef's cycles for millennia.
Fact-check: Experts say senator's reef bleaching claims are nonsense
Verdict: false. there is no evidence of historical mass bleaching, with five of the seven events occurring since 2016.
Organisation: Australian Associated Press
Author: Tom Wark
Date published: 2024-04-19T00:00:00