The planet changer — ocean acidification

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According to this

As climate change sucks oxygen from the world’s oceans it could create huge dead zones that will last tens of thousands of years. Fish could vanish from huge stretches of the ocean for tens of thousands of years unless we drastically reduce our carbon emissions.

According to this

Oysters in deep trouble: CO2 acid bath eating their shells

Oyster larvae have been dying by the billions. Scientists suspect it’s a sign that carbon dioxide is dramatically affecting the ocean — and corroding the shells of molluscs.

According to this

Experts Say Ocean Acidification is a “Planet Changer”

Leading experts at the 2009 Aspen Environment Forum called ocean acidification caused by high levels of CO2 emissions a “planet changer”, and predicted that all coral in the ocean would be in danger of dying off by mid-century if we continued to burn fossil fuel at our current rate.

Update: Although clams, oysters, corals, and sea urchins are adversely effected, crabs and shrimp may be able to respond with thicker shells. See here.

Update: According to this

A new study says the seas are acidifying ten times faster today than 55 million years ago when a mass extinction of marine species occurred. And, the study concludes, current changes in ocean chemistry due to the burning of fossil fuels may portend a new wave of die-offs.

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