Acidification may refer to:
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Ocean acidification
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. Carbon dioxide emissions from human activities are the primary cause of ...
, decrease in the pH of the Earth's oceans
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Freshwater acidification, atmospheric depositions and soil leaching of SOx and NOx
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Soil acidification
Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid, such as nitric acid, sulfuric acid, or carbonic acid. It can also be a ...
, buildup of hydrogen cations, which reduces the soil pH
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Souring, a cooking technique
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