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A pair of sea butterflies float in the Arctic ocean.
Article

Searching for the Ocean Acidification Signal

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
Overview

Ocean Acidification

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
Article

Coralline Algae: The Unsung Architects of Coral Reefs

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When we use fossil fuels to power our cars, homes, and businesses, we put heat-trapping carbon dioxide into the atmosphere.
Photo

Tracking Ocean Acidification

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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
Article

Ocean Acidification Excites Boring Sponges

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Forams are tiny single-celled organisms.
Article

Trials and Tribulations with Contamination

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Tiny organisms found on ARMS
Article

From Field to Lab: How Carbon Seeps Provide a Chance to See Future Impacts of Ocean Acidification

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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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Researchers can study ocean acidification in the lab by rearing organisms (here, Lophelia deep-sea corals) in seawater with variable pH and measuring if they grow, eat, breathe, reproduce, or develop differently.
Photo

Studying Acidification in the Lab

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A screenshot from the beginning of the video "Facing Climate Change: Oyster Farmers"
Video

Facing Climate Change: Oyster Farmers

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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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