Temperatures in Japan have reached a breaking point, and the language is shifting to keep up. The Japan Meteorological Agency has introduced a new term for days exceeding 40 C: kokushobi, or "cruelly hot day." In a culture with a deep relationship between seasons and language, CBC News's Johanna Wagstaffe explores how the arrival of this word is a sobering signal of climate change. UPDATE (May 8, 2026): An earlier version of the video upload included an audio error. It has been replaced. »»»