Toxic waste produced by one of the world's worst nuclear disasters will be dumped into the sea, according to the head of the Japanese company tasked with cleaning up the radioactive mess, despite protests from local fishermen. TEPCO's over-budget, oft-delayed effort to recover its former plant has been the subject of controversy for a number of reasons. Due to residual nuclear fuel, parts of the plant are so radioactive that they have even destroyed the robots specifically designed to survive in the deadly environment.