Japan’s nuclear watchdog fears that the leak of radioactive water from the Fukushima nuclear plant could be a sign of a much wider problem. The plant was the scene of one of the worst nuclear...
Japan’s Fukushima nuclear plant operator TEPCO says “very high” levels of radioactive strontium-90 have been found in groundwater, two years after reactor meltdowns. But it had not leaked into the ocean nearby. The Tokyo Electric...