Masataka Shimizu (3rd R), president of Tokyo Electric Power Co., the company operating Fukushima Daiichi Nuclear Power Plant, observes a moment of silence for those who were killed by the March 11 earthquake and tsunami, with the company officials at Fukushima Prefectural Office in Fukushima, northern Japan April 11, 2011, one month after the devastating earthquake and tsunami. [Photo/Agencies]

Students and environmentalists attend a candle light vigil in the western Indian city of Ahmedabad April 11, 2011. Dozens of students and activists on Monday participated in the vigil to mark the one month anniversary after a 9.0 magnitude earthquake and tsunami battered Japan's northeast coast. The banner (L) reads, "Say no to nuclear energy. Japan is helpless, what will happen to India?" [Photo/Agencies]