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  2. Marine biogenic calcification - Wikipedia

    en.wikipedia.org/wiki/Marine_biogenic_calcification

    Marine biogenic calcification is the production of calcium carbonate by organisms in the global ocean.. Marine biogenic calcification is the biologically mediated process by which marine organisms produce and deposit calcium carbonate minerals to form skeletal structures or hard tissues.

  3. Environmental issues with coral reefs - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_with...

    2 levels rise to 500 ppm because concentrations of carbonate ions may then be too low. [58] [59] In summary, ocean warming is the primary cause of mass coral bleaching and mortality (very high confidence), which, together with ocean acidification, deteriorates the balance between coral reef construction and erosion (high confidence). [60]

  4. Calcium carbonate - Wikipedia

    en.wikipedia.org/wiki/Calcium_carbonate

    Calcium carbonate is used in the production of calcium oxide as well as toothpaste and has seen a resurgence as a food preservative and color retainer, when used in or with products such as organic apples. [58] Calcium carbonate is used therapeutically as phosphate binder in patients on maintenance haemodialysis. It is the most common form of ...

  5. Oceanic carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Oceanic_carbon_cycle

    Carbonate ions preferentially bind to hydrogen ions to form bicarbonate, [10] thus a reduction in carbonate ion availability increases the amount of unbound hydrogen ions, and decreases the amount of bicarbonate formed (Equations 1–3). pH is a measurement of hydrogen ion concentration, where a low pH means there are more unbound hydrogen ions ...

  6. Carbonate compensation depth - Wikipedia

    en.wikipedia.org/wiki/Carbonate_compensation_depth

    The carbonate compensation depth (CCD) is the depth, in the oceans, at which the rate of supply of calcium carbonates matches the rate of solvation. That is, solvation 'compensates' supply. Below the CCD solvation is faster, so that carbonate particles dissolve and the carbonate shells of animals are not preserved. Carbonate particles cannot ...

  7. Global shipping, which accounts for about 3% of global greenhouse gas emissions, aims to reach net zero by or around 2050, like many other industries. However, it’s still looking for solutions ...

  8. Ocean acidification in the Great Barrier Reef - Wikipedia

    en.wikipedia.org/wiki/Ocean_acidification_in_the...

    Ocean acidification threatens the fundamental chemical balance of our oceans, creating conditions that eat away at essential minerals like calcium carbonate. A lack of aragonite and decreasing pH levels in ocean water makes it harder for calcifying organisms such as oysters, clams, lobsters, shrimp and coral reefs to build their shells and ...

  9. USC study finds connection between pollution and decreased ...

    www.aol.com/usc-study-finds-connection-between...

    The LA Post shares insights from a recent USC study that revealed that exposure to air pollution can harm children's learning and memory.