word
Ocean Acidification
OH-shun as-id-ih-fih-KAY-shun
/ˈoʊʃən æsɪdɪfɪˈkeɪʃən/Listen
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Syllable breakdown
oceanacidification
Dictionary meaning
Decrease in ocean pH due to absorption of CO₂ — oceans have absorbed ~30% of human CO₂ emissions; pH has dropped from 8.2 to 8.1 since industrialization (30% more acidic); dissolves the calcium carbonate shells of corals and shellfish; 'the other CO₂ problem' alongside climate change
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