Why Has Inokashira Park Pond Turned Matcha Green?
A pond at Inokashira Park, a popular destination in Tokyo's Kichijoji area, has turned a striking matcha-like green, a phenomenon that has become particularly noticeable in 2026 and is believed to be caused by an accumulation of phytoplankton. (News On Japan)
We haven't written up this one. News On Japan has the full story — the link below goes straight to it.