Ocean acidification: examples of potential impacts

Ocean acidification is caused by ocean uptake of anthropogenic CO2; it is a global issue and is happening now, it is measurable, and it will continue as more CO2 is emitted. Already ocean acidity has increased by 30% since the industrial revolution and by 2100, if we continue emitting CO2 at the same rate, ocean acidity would have increased by as much as 150%. Such a substantial alteration in basic ocean chemistry is likely to have wide implications for ocean life, especially for many organisms that require calcium carbonate to build shells or skeletons (Turley and Findlay, 2009 ).

Turley C., Gattuso J.-P. & Hoegh-Guldberg O., 2011. Ocean acidification: examples of potential impacts. In: Richardson K., Steffen W. & Liverman D. (Eds.), Climate change: global risks, challenges and decisions, Box 3.2 (pp. 37-39). Cambridge: Cambridge University Press.


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