The increase in the amount of heat in the oceans amounts to 17 x 10^22 Joules over the last 30 years. That is so much energy it is equivalent to exploding a Hiroshima bomb every second in the ocean for thirty years.

The increase in the amount of heat in the oceans amounts to 17 x 10^22 Joules over the last 30 years. That is so much energy it is equivalent to exploding a Hiroshima bomb every second in the ocean for thirty years.