Yukiya Amano, director general of the International Atomic Energy Agency (IAEA), speaks during a news conference in Tokyo, Japan, on Friday, Jan. 11, 2013. The IAEA and the Fukushima prefecture government signed an agreement on Dec. 15 to help Japan with decontamination and radioactive waste management after the Fukushima nuclear disaster. Photographer: Noriyuki Aida/Bloomberg via Getty Images