Answer: None of the advocates of the theory of anthropogenic global warming claim that CO2 is the only factor controlling temperature in the ocean - atmosphere climate system. (grist.org)
When a small rise in temperature in the ocean makes a big difference in CO2.» (globalpossibilities.org)
ENSO Short for El Niño - Southern Oscillation: It is a natural cycle of changing temperatures in the ocean and atmosphere, near the equator in the Pacific Ocean. (sciencenewsforstudents.org)