The world's oceans were the hottest ever recorded in 2020
Heat absorbed by oceans compared to 1981–2010 average (zettajoules)
200
100
0
-100
-200
1940
1960
1980
2000
2020
200
100
0
-100
-200
1940
1950
1960
1970
1980
1990
2000
2010
2020