The oceans absorbed 230 zettajoules of heat in 2020.
It is enough to boil 20 billion teapots with the capacity of a liter and a half.
According to climatologists, record figures point to global warming.
The world ocean level has risen by about half a centimeter. Scientists fear that this figure could increase sharply if the temperature rise does not stop.
This may lead to a cardinal rearrangement of the marine ecosystem.
