Fukushima clean-up workers fret over radiation, stress at wrecked Japan nuclear plant / Japan to increase reliance on nuclear energy in post-Fukushima shift / 'An act of betrayal': Japan to maximise nuclear power 14 years after Fukushima disaster / Japan's nuclear watchdog disqualifies a reactor for the first time since Fukushima disaster / Complex decommissioning of Japan's Fukushima power plant is constantly being postponed / UN nuclear chief visits Japan to assess Fukushima wastewater release, talks atomic energy / UN nuclear chief visits Japan to examine Fukushima wastewater release and talk atomic cooperation / Japan's Fukushima nuclear plant urged to improve communication after radioactive water leak / Japan’s Fukushima water release plan fuels fear despite IAEA backing