Fukushima leak is 'much worse than we were led to believe' --There are no accurate figures for radiation levels. 22 Aug 2013 A nuclear expert has told the BBC that he believes the current water leaks at Fukushima are much worse than the authorities have stated. Mycle Schneider is an independent consultant who has previously advised the French and German governments. He says water is leaking out all over the site and there are no accurate figures for radiation levels. Meanwhile the chairman of Japan's nuclear authority said that he feared there would be further leaks.