Derek P. Manzello member picture

Derek P. Manzello

Coordinator, National Oceanic and Atmospheric Administration Coral Reef Watch

Expertise: Marine biology, coral reef ecology

CBS news headline 84% of coral experienced bleaching-level heat stress

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