talks about the death of his 17-year-old son Takashi, a sumo wrestler who died in June, during a news conference in Tokyo on Thursday. At right, Takashi, whose ring name was Tokitaizan, poses in ceremonial attire in an undated photo. KYODO PHOTOS

News photo

Police are building a criminal case against the wrestler's stable master and some of his senior wrestlers.

Our Planet

Hidetaka Ishii, an official at the Chiba Municipal Government, says close coordination with private-sector operators is key for regional decarbonization efforts.
Japan’s climate heroes show potential and limits of local initiatives

Longform

Visitors walk past Sou Fujimoto's Grand Ring, which has been recognized as the largest wooden structure in the world.
Can a World Expo still matter? Japan is about to find out.