Preventing radioactive leaks at Fukushima Daiichi
Japan’s nuclear catastrophe, triggered by an earthquake and tsunami, now faces challenges from a relentless flow of subterranean freshwater.
A full cleanup and decommissioning of the Fukushima plant could take four decades. Read: Japan’s nuclear cleanup effort is turning into another kind of disaster
SOURCE: Tepco; International Atomic Energy Agency; Japan Ministry of Economy, Trade and Industry; Institute of Electrical and Electronics Engineers; Bulletin of the Atomic Scientists; staff reports
Drawings are diagrammatic.