Worst bleaching on record for Western Australian coral reefs
Worst bleaching on record for Western Australian coral reefs

Scientists say the damage was caused by the “longest, largest and most intense” marine heatwave on record.
Read the full article on BBC World
Truth Analysis
Analysis Summary:
The article is highly accurate, with multiple sources confirming the unprecedented coral bleaching event in Western Australia. The article presents the information in a straightforward manner with minimal bias. The claim about the marine heatwave being the "longest, largest and most intense" is also supported by multiple sources.
Detailed Analysis:
- Claim: Worst bleaching on record for Western Australian coral reefs
- Verification Source #1: Confirms the worst bleaching on record for Western Australian reefs.
- Verification Source #2: Confirms the worst bleaching event on record for WA coral reefs.
- Verification Source #3: Confirms the worst bleaching on record for Western Australian reefs.
- Verification Source #4: Confirms the worst bleaching event on record for WA coral reefs.
- Verification Source #5: Confirms this is the worst coral bleaching event recorded for WA reefs.
- Assessment: Supported
- Claim: The damage was caused by the "longest, largest and most intense" marine heatwave on record.
- Verification Source #4: Confirms the 2024/25 marine heatwave was the longest, largest and most intense.
- Assessment: Supported
Supporting Evidence/Contradictions:
- Source 5: 'This is the worst coral bleaching event recorded for WA reefs.’
- Source 4: 'The 2024/25 marine heatwave that brought heat stress to coral reefs off the Western Australian coast was the longest, largest and most intense'