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Environmental Science

Ocean Acidification

Quick fact

Since the Industrial Revolution, ocean acidity has increased by about 30% (a 0.1 drop in pH), a rate of change 100 times faster than any natural variation in the last 50 million years.

Why this is interesting

The ocean has absorbed about 30% of the carbon dioxide we've emitted—but this vital service comes at a hidden cost that threatens marine life from the bottom up.