Corals National Geographic

Meet the tiny organisms that combine to create the world's great tropical reefs. Find out about the threats that imperil corals worldwide.
What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know about reefs and the tiny animals—polyps—that build them? Learn all about coral and why warming waters threaten the future of the reef ecosystem.
Images of devastated coral reefs, a common reminder of climate change, can give the impression of a static landscape. But time-lapse footage of coral bleaching as it happens shows a surprisingly active process.

of the Ocean - Can coral reefs survive the Anthropocene epoch?

Protecting Our Coral Reefs: The Impact of Sunscreen

Endangered Coral Reefs and Their Natural Recovery and Rebirth

Corals

A Guide to Visiting the Great Barrier Reef, Australia

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Corals, National Geographic

The world's coral reefs are dying—here's how scientists plan to save them

Reef

Coral Reefs 101 National Geographic

Corals National Geographic

Endangered Coral Reefs and Their Natural Recovery and Rebirth

Corals National Geographic, 52% OFF