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Intense volcanic CO2 vents in Ili Ili Bua Bua, Normanby Island, Papua New Guinea.
Slideshow

Will Coral Reefs Survive Acidification?

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Two nurse sharks hover over a baited cage
Lesson Plan

Caribbean Coral Reef and Climate Case Study

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A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
Slideshow

Two Views of Coral Reefs: Thriving and Threatened

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A diver cares for the reef by cleaning up discarded fishing gear and garbage.
Article

Reef Rescue: Protect Coral Reefs with Your Actions

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
Article

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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A coral head in the Mesoamerican Reef has both bleached and living coral. The white sections are bleached and the brown parts still contain zooxanthellae, the symbiotic algae that provide food to their coral hosts.
Article

Coral Under Pressure: Monitoring Bleaching In Real Time

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Two nurse sharks hover over a baited cage
Lesson Plan

Sea Surface Temperature and Coral Bleaching

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These bleached corals in the Gulf of Mexico are the result of increased water temperatures.
Photo

Bleached Corals

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Compare the healthy coral on the left with the bleached coral on the right.
Photo

Bleached Corals, Pacific Ocean

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Two nurse sharks hover over a baited cage
Lesson Plan

In Hot Water

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An underwater photo of coral recovering from a bleaching event.
Article

A Pleasant Surprise: The Recovery of Bleached Panamanian Corals

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