TEPCO believes nearly all nuclear fuel melted in Fukushima reactor
Fukushima No. 1 nuclear power plant
FOUR YEARS AFTER: NGOs introduce '10 Lessons from Fukushima' booklet at U.N. disaster conference
Only 35% of Fukushima nuclear plant workers agree to 1st round of health checks
FOUR YEARS AFTER: Tohoku University develops flying robot to measure radiation levels
FOUR YEARS AFTER: Fukushima cleanup takes step forward on 4th anniversary of first explosion
FOUR YEARS AFTER: Radiation levels clear decontamination standard in 88% of areas
FOUR YEARS AFTER: Koizumi blasts Abe's nuclear policy, remark about Fukushima crisis
FOUR YEARS AFTER: Nuclear power plant worker regrets not saving wife in tsunami