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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.
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Studying Acidification in the Lab

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A graph showing rising levels of CO2 in the atmosphere over time.
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Ocean Acidification Graph

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By pumping enormous test tubes that are 60-feet deep and hold almost 15,000 gallons of water with carbon dioxide to make the water inside more acidic, researchers can study how zooplankton, phytoplankton and other small organisms will adapt in the wild.
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Studying Acidification in the Field

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Two nurse sharks hover over a baited cage
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Caribbean Coral Reef and Climate Case Study

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Forams are tiny single-celled organisms.
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Trials and Tribulations with Contamination

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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
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Ocean Acidification Excites Boring Sponges

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
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Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

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Intense volcanic CO2 vents in Ili Ili Bua Bua, Normanby Island, Papua New Guinea.
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Will Coral Reefs Survive Acidification?

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
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Lonely Seagrass in Acidic Waters

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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.
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Tracking Ocean Acidification

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Two nurse sharks hover over a baited cage
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Off Base

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Two nurse sharks hover over a baited cage
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Animals of the Fire Ice

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