On February 14 2020, Dean Okubo gave an opening remarks for a public symposium, “UTokyo Water Forum on Water”.
UTokyo Water Forum (Japanese only)
https://www.t.u-tokyo.ac.jp/soe/event/setevt_202001311108136139935722.html
Report (Japanese only)
https://www.t.u-tokyo.ac.jp/shared/event/data/setevt_202001311108136139935722_987682.pdf
Opening remarks