‘The environmental group claims that the 1.23 million metric tons of water stored at the plant — scene of the 2011 Fukushima Daiichi nuclear disaster — contains “dangerous” levels of the radioactive isotope carbon-14 and other “hazardous” radionuclides, which it says will have “serious long-term consequences for communities and the environment” if the water is released into the Pacific Ocean.
To cool fuel cores at the damaged Fukushima nuclear plant operator Tokyo Electric Power Company (TEPCO) has pumped in tens of thousands of tons of water over the years. Once used, the water is put into storage.
But nine years on from Japan’s worst nuclear disaster, storage space is running out, and the government is still deciding what to do with the water….’
— via CNN