Marine and coastal environment - key fact 5

SOER 2010 Key fact (Deprecated) Published 28 Nov 2010
The current reduction of 0.1 in pH that has occurred over the industrial era translates to a 30 % increase in ocean acidity. This change has occurred at a rate that is about a hundred times faster than any change in acidity experienced during the past 55 million of years. A further decline of 0.3-0.4 pH units, projected for surface waters during the 21st century, represents a 100-150 % increase in acidity.
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