What makes you think nuclear has less severe externalities? And I am not even including in my considerations that countries have totally mismanaged the storage

What makes you think nuclear has less severe externalities? And I am not even including in my considerations that countries have totally mismanaged the storage in the past (e.g. UK dumping it into the ocean, Germany dumping it into an old mine etc.) https://en.wikipedia.org/wiki/High-level_radioactive_waste_management https://en.wikipedia.org/wiki/High-level_radioactive_waste_m...