>https://en.wikipedia.org/wiki/Ocean_disposal_of_radioactive_waste https://en.wikipedia.org/wiki/Ocean_disposal_of_radioactive_... A truly massive amount of ra

>https://en.wikipedia.org/wiki/Ocean_disposal_of_radioactive_waste https://en.wikipedia.org/wiki/Ocean_disposal_of_radioactive_... A truly massive amount of radioactive material has been dumped into the ocean. No amount of 'cobalt bomb' or other fantasy devices will appreciably affect the truly large (geological scale) ocean. Even if you dump every nuclear reactor, nuclear waste, nuclear fuel and blow up every nuke in the ocean, that will simply not seriously affect the ocean.