Coral Reef Videos & Photos 2025 #607

Learn about coral reefs, underwater ecosystems built by colonies of coral polyps Find out how they form, what species live in them, and what challenges they face from climate change and human activities. Find out how coral reefs are threatened by climate change, pollution, and diseases, and what is being done to protect them. Coral reef, ridge or hummock formed in shallow ocean areas by algae and the calcareous skeletons of coral polyps and other coelenterates A coral reef may grow into a permanent coral island Often called ‘rainforests of the sea,’ coral reefs are home to a spectacular variety of organisms. What is the difference between a reef, coral, and a coral reef Learn about the diversity, characteristics, benefits, and threats of coral reefs, some of the most diverse ecosystems in the world Find resources for education, conservation, and research from noaa and its partners. Learn about the importance, diversity, and threats of coral reefs, the rainforests of the seas Find out how climate change, ocean acidification, and human activities affect these vital habitats and what we can do to protect them. Discover the challenges they face from climate change, pollution, and human activities, and how to protect them.