"Out of sight, out of mind"
I studied nuclear physics decades ago and understand it, a little. I think fusion is likely to be safer than fission but - I am sceptical. Why? Because humans are involved! Profit, greed, ignorance, politics where a day is a long time, not to mention a term of office , so where do 1000 years fit?

http://www.nature.com/news/an-accident-waiting-to-happen-1.15214?WT.ec_id=NATURE-20140515

I recall my son recalling an event not so long ago; he wrote "auf Deutsch" but his link is to
an English pdf

http://www.rorysherwood.de/category/politik/
(4th/currently last article)
and
http://folk.uib.no/ngljm/PDF_files/Bondevik-al-03-EOS.pdf

wob