It appears that melted Antartica glacier fresh water is creating a top layer of less dense cold water, preventing the usual sinking of cold dense salt water, which usually stores heat and CO2 deep into the depths of the ocean. The lack of the usual sinking of the dense cold salt water may weaken ocean currents too, as seems to be happening in the northern hemisphere off of Greenland and Iceland.
Editorial cartoonist Toles says people have to demand action, not just support action. And that the media must quit just pretending there are two sides to the issue of climate change. And politicians must quit being bought off.