Ocean acidification

The ocean absorbs a significant portion of our carbon dioxide emissions, which is changing the chemistry of the ocean at an unprecedented rate. About one third of all emissions in the past 200 years have been absorbed by the ocean, causing an average pH decrease of ocean surface waters by about 0.1 unit – from 8.2 to 8.1. This change has already caused short-term, local impacts on ocean flora and fauna. The ultimate, long-term consequences of an increasingly acidic ocean may be unknown, but the potential risks are high. Ocean acidification is a growing problem as anthropogenic carbon dioxide emissions continue to change the atmosphere and climate. It is estimated that by the end of the century, there will be an additional drop of 0.2–0.3 units.

On our Ocean Acidification Initiative page you can learn about the work we are doing to research and understand OA in order to mitigate its effects. Here we have compiled some of the best resources on this topic.

The Ocean Foundation. Resource.

Resource type: website

Resource format: webpage

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OA-ICC Highlights

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