Acidification

Large amounts of carbon dioxide are being released into the atmosphere at an unprecedented rate. Some of this carbon dioxide makes its way into the ocean where it causes the water to become more acidic and has an impact on species and ecosystems.

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Ocean Acidification

Ocean acidification is sometimes called “climate change’s equally evil twin,” and for good reason: it's a significant and...

Two Views of Coral Reefs: Thriving and Threatened

Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of dollars in products and services to humans each year. But they are also vulnerable to...

Reef Rescue: Protect Coral Reefs with Your Actions

A diver cares for the reef by cleaning up discarded fishing gear and garbage. Credit: Amos Nachoum 2005/Marine Photobank Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species...
Coral reefs are the most diverse of all marine ecosystems.

Coral Reefs: One Species at a Time

Coral reefs are bustling cities of marine life, until rising ocean temperatures turn them into ghost towns. Can reefs spring back from devastating bleaching events? In this episode of the Podcast of Life ,...

Coral Forests of the Deep Ocean

Corals are not only found in shallow tropical waters, but in cold, dark, deep areas of the sea. Amazing coral forests are found at depths of 60-3,050 meters (200-10,00 feet). They support an abundance...

Ocean Acidification in the Puget Sound

Scientists predict that ocean acidification will impact communities around the world. One of them is the Suquamish Nation , an American Indian tribe on the Puget Sound, in the Pacific Northwest. Students from the...

World Oceans Day 2012 - Live Webcast

On World Oceans Day - June 8th, 2012 - the Living Oceans Foundation hosted a live web-based conversation between Sylvia Earle at the Smithsonian's National Museum of Natural History and a team of scientists...

Will Coral Reefs Survive Acidification?

Nestled among the beautiful coral reefs of Papua New Guinea (PNG) is a place that could provide the key to our understanding of one of the biggest threats to coral reef survival: Ocean Acidification...

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

Scientists don’t often get the opportunity to travel through time. But nestled among the beautiful coral reefs of Papua New Guinea (PNG) is a place that provides a glimpse today of what could be...
A pair of sea butterflies float in the Arctic ocean.

Searching for the Ocean Acidification Signal

Over that past century, the pH of the ocean has decreased from 8.2 to 8.1. This doesn’t seem like a lot, but it represents a faster rate than at any time in the last...

Ocean Acidification Excites Boring Sponges

This orange boring sponge ( Cliona varians ) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute. Credit: Amber Stubler Boring sponges get a bad rap. Their own name betrays them, announcing to...

Coralline Algae: The Unsung Architects of Coral Reefs

Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands. Credit: Maggie D. Johnson, Scripps Institution of Oceanography Stare at a tide pool and...

Ocean Acidification

Ocean acidification is sometimes called “climate change’s equally evil twin,” and for good reason: it's a significant and harmful consequence of excess carbon dioxide in the atmosphere that we don't see or feel because...

Ocean Acidification with Dr. Francisco Chavez

Dr. Francisco Chavez of the Monterey Bay Aquarium Research Institute estimates that a million tons of CO 2 enter the ocean hourly. His studies in Peru explore the phenomenon of ocean acidification, which occurs...

Ocean Acidification: An Ecosystem Facing Dissolution

In order to study ocean acidification in the field, scientists from five European countries built ten mesocosms—essentially giant test tubes 60-feet deep that hold almost 15,000 gallons of water—and placed them in the Swedish...

Facing Climate Change: Oyster Farmers

Generally, shelled animals—including mussels, clams, urchins and starfish—are going to have trouble building their shells in more acidic water. Mussels and oysters are expected to grow less shell by 25 percent and 10 percent...

Farming Oysters Despite Acidic Seas

Bill Taylor, Paul Taylor, Diani Taylor and Brittany Taylor have more in common than just a last name; they also share a business. The Taylors have been in the family oyster-farming business in Washington...

Carbon in our Seas: Measuring Ocean Acidification

Ocean acidification refers to the process by which carbon dioxide is emitted into the atmosphere and then absorbed by the ocean. When water mixes with CO2, it forms carbonic acid, a by-product that changes...