It would be good to see some maps of radio-active contamination in the Pacific waters around the Japan. Food labels for their sushi according to the radio-active status? I tried to access Wikipedia for the maps but it seems likely their entries are 'doctored'. No time for further search.

The most likely effective storage of nuclear waste (so far) seems to be the Finish method (and it is expensive!):

https://www.wired.co.uk/article/olkiluoto-island-finland-nuclear-waste-onkalo

Meanwhile, as mentioned elsewhere, Chinese are about to activate their first experimental thorium reactor. Wish them best:

https://www.nature.com/articles/d41586-021-02459-w