The clean up at Fukushima faces enormous challenges, writes Justin McCurry. First, managing 500,000 tonnes of contaminated water stored onsite. Next, removing molten fuel from reactors 1, 2 and 3, a task so hazardous that it's been put off until 2025. Even robots have been unable to enter the reactor buildings - and no one knows where the molten fuel has gone.
… be far off, said Shinichi Kawamura, head of risk communication at Fukushima Daiichi. "This … of spent fuel from reactor No 4. "This was a risky job, so when we removed the last fuel …