A liquid flouride thorium reactor, also called a molten salt reactor, is safer and more efficient than the pressurized water reactors we are using now. If we want to avoid more Fukishima's then this is the way to go.

Mike Norman Economics:
Here is a video by Thorium Nuclear "crusader" Kirk Sorensen on the intriguing aspects of that potential global energy source. It is a long video (1:37:00) but