You should inform yourself before saying something like that.....You think it has the fewest problems, but only because you dont see them, or know about them yet. Governments hide such delicate matters from the public, for economical reasons.... You think spilling tons of nuclear waste in Atlantic ocean dont have any consequences? Its getting worst every year, and almost all the Northwest European coast is contaminated....you just dont hear it in the news because, like i said earlier, matters like this are hidden from public, results are manipulated, people are bribed...
Yes, nuclear power is efficient, but until there is a proper way of disposing waste, its the worst polution/contamination you can possibly imagine.
EDIT: Found this for you, just take a look if you want to know a little bit more about it. http://www.youtube.com/watch?v=-ZhPndLmpAQ