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Derek P. Manzello

Coordinator, National Oceanic and Atmospheric Administration Coral Reef Watch

Expertise: Marine biology, coral reef ecology

Climate

2025-05-02

84% of the world’s reefs recently experienced bleaching-level heat stress, but not all were ‘completely bleached’

Claim:

More than 80% of the world’s reefs hit by bleaching.

Source: The Guardian, CBS, 2025-04-23