Unprecedented, man-made trends in ocean's acidity

Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming organism. These ...

Mussels fight back against oceanic acidification

The gradual rise in oceanic acidity is weakening the shells of shellfish, corals and sea urchins, making them vulnerable to predation and damage from oceanic movements.

Major changes needed for coral reef survival

To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral reefs will be ...

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