Proof on the Half Shell: A More Acid Ocean Corrodes Sea Life

The shells of tiny ocean animals known as foraminifera--specifically Globigerina bulloides--are shrinking as a result of the slowly acidifying waters of the Southern Ocean near Antarctica. The reason behind the rising acidity: Higher carbon dioxide (CO2) levels in the atmosphere, making these shells more proof that climate change is making life tougher for the seas' shell-builders. [More]

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