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

A sinkhole in Yashio, which emerged in January, was triggered by a ruptured, aging sewer pipe. Authorities worry that similar sections of infrastructure across the country are also at risk of corrosion.
That sinking feeling: Japan’s aging sewers are an infrastructure time bomb