This image may not be used to state or imply NOAA endorsement of any company or product Map showing the surface pH of the world's oceans in 2050. pH i

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This image may not be used to state or imply NOAA endorsement of any company or product Map showing the surface pH of the world's oceans in 2050. pH is the measure of the amount of hydrogen ions in a solution, and is used to measure its alkalinity or acidity. The oceans are slightly alkaline, with an average pH of around (7 is neutral). More than a quarter of the carbon dioxide released into the atmosphere is absorbed by the oceans, causing them to become more acidic. Data based on a computer model that makes predictions of pH change based on estimates of carbon dioxide emissions.

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Photo credit: © NOAA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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