> Coral bleaches when the water it’s in is too warm for too long. The coral polyps gets stressed and spit out the algae that live in inside them. Without the co

> Coral bleaches when the water it’s in is too warm for too long. The coral polyps gets stressed and spit out the algae that live in inside them. Without the colourful algae, the coral flesh becomes transparent, revealing the stark white skeleton beneath.