If the carbon dioxide in the atmosphere declines, the Southern Ocean is likely to begin emitting more carbon than it absorbs, prolonging global warming https://www.newscientist.com/article/2588269-the-worlds-biggest-carbon-sink-may-start-emitting-co2-after-net-zero/?utm_term=Autofeed&utm_campaign=echobox&utm_medium=social&utm_source=Twitter#Echobox=1789049284