What is coral bleaching?

When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white.

Coral bleaching to hit reefs every year from mid-century, says UN

Interactive Exploration of Coral Bleaching

Coral Reefs - Oceans, Coasts & Seashores (U.S. National Park Service)

Literally cooked in hot water—what happened in the latest mass coral bleaching on the Great Barrier Reef - Bulletin of the Atomic Scientists

Coral Bleaching Reaches Record Levels, Reefs in Danger

Scientists say Florida Keys coral reefs are already bleaching as water temperatures hit record highs

Losing Our Coral Reefs

A Coral Bleaching Story With an Unknown Ending

Why Are Coral Reefs Dying? And What You Can Do to Help Save Them

Huge' coral bleaching unfolding across the Americas prompts fears of global tragedy, Coral

What Is Coral Bleaching And How Is It Caused?