The gradual decline in ocean pH as seawater absorbs increasing amounts of atmospheric carbon dioxide, which reacts with water to form carbonic acid. It reduces the availability of the carbonate ions that many marine organisms, from corals to shellfish, need to build their shells and skeletons, and is considered a significant threat to marine ecosystems as atmospheric carbon dioxide continues to rise.
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1. Ocean Acidification (Wikipedia)
Wikimedia FoundationIntroductionQuote, Introduction
Ocean acidification is the ongoing decrease in the pH of the Earth's ocean. Between 1950 and 2020, the average pH of the ocean surface fell from approximately 8.15 to 8.05.
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