How do CO2 emissions affect marine ecosystems?



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    When carbon dioxide absorbs in sea water it creates carbonic acid, which lowers the pH level of the water. This is called ocean acidification.  On top of ocean acidification, global warming from increased atmospheric carbon levels is also warming the oceans.  Both ocean warming and acidification is causing coral bleaching. This, in essence, is killing coral reefs, which are one of the most diverse and ecologically important habitats in the world. Scientists are now finding that acidification of the oceans are changing the acoustic properties of the water as well. This will affect marine species which rely on underwater sound propagation for communication.

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