Japan's prime minister Wednesday said Tokyo would get more involved in cleaning up the crippled Fukushima nuclear plant, as he described as "urgent" a battle to stop radioactive water from leaking into the ocean.
Foreign nuclear experts on Friday blasted the operator of Japan's crippled Fukushima nuclear plant, with one saying its lack of transparency over toxic water leaks showed "you don't know what you're doing".
Japan's nuclear watchdog said Wednesday that one reactor was sitting directly above an active tectonic fault, effectively ruling out a restart forever.
Radioactive water may have leaked into the ground from a tank at the Fukushima Daiichi nuclear power plant, the operator said on Saturday, the latest in a series of troubles at the crippled facility.
Technicians have restored power to all cooling systems at the reactors of Japan's tsunami-hit Fukushima nuclear plant, the operating company said Wednesday after a blackout sparked a new crisis.
The shattered remains of a reactor building loom against a lowering sky, smoke or steam pouring from a gaping roof in the days after a huge tsunami smashed into Japan, crushing a nuclear power plant.
A major international conference reviewing the aftermath of the Fukushima disaster in Japan in March 2011 wrapped up Friday calling for more to be done to improve nuclear safety.
Switzerland's four nuclear power stations are fit to withstand a major earthquake and pose no threat to the population and the environment, inspectors said on Monday.
TEPCO, the operator of Japan's crippled Fukushima nuclear plant, said Wednesday record amounts of radiation had been detected in the basement of reactor number 1, further hampering clean-up operations.
Radiation affecting residents in Japan's Fukushima prefecture since the nuclear plant disaster is below the reference level for public exposure in all but two areas, the World Health Organization said Wednesday.