Coral Bleaching - What is That?

One of the things that happens in the ocean when the water gets warmer is that corals bleach. But what do we really mean by that, what is happening? Coral scientist Mark Erdmann guides us through the mystery of coral bleaching.

Reportage: Kajsa Grandell
Animationer: Ronja Arnold-Larsen
Foto: Göran Ehlmé, Tobias Dahlin, Johan Candert

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