In the past 200 years alone, ocean water has become 30 percent more acidic—faster than any known change in ocean chemistry in the last 50 million years. https:/

In the past 200 years alone, ocean water has become 30 percent more acidic—faster than any known change in ocean chemistry in the last 50 million years. https://ocean.si.edu/ocean-life/invertebrates/ocean-acidification https://ocean.si.edu/ocean-life/invertebrates/ocean-acidific...