Ticking time bomb': Ocean acidity crosses vital threshold, study finds [View all]

Snip… The deep oceans have crossed a crucial boundary that threatens their ability to provide the surface with food and oxygen, a new study finds.
Nearly two-thirds of the ocean below 200 meters, or 656 feet, as well as nearly half of that above, have breached “safe” levels of acidity, according to findings published on Monday in Global Change Biology.

https://thehill.com/policy/equilibrium-sustainability/5340239-ocean-acidity-study-climate-change-carbon/