Posted by: cassandrabrooks | May 15, 2011

Ocean Acidification: Where will all the seashells go?

More than a hundred thousand marine species build their bodies using calcium carbonate, including snails, oysters, sea stars, coral, and plenty of planktonic animals. This incredible diversity of life evolved over millions of years, as animals figured out ways to pull calcium and carbonate ions from the water to build shells and skeletons so robust that they remain intact long after the animals perish. But all of this is changing. Our addiction to fossil fuels and the billions of tons of carbon dioxide we’re pumping into the atmosphere each year may be undoing millions of years of evolution in a geological blink of time.

Join me as I talk with ocean acidification experts about the uncertain future of our oceans.

To watch the audio slideshow on YouTube, click here.

To watch it on the new San Francisco Bay Area National Parks Science and Learning website, click here.

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