https://phys.org/news/2018-05-invisible-barrier-ocean-surface-carbon.html

Publishing their findings today in the journal Nature Geoscience, scientists from Newcastle, Heriot-Watt and Exeter universities say the findings have major implications for predicting our future climate.

The world's oceans currently absorb around a quarter of all anthropogenic carbon dioxide emissions, making them the largest long-term sink of carbon on Earth.