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Kotaro Nagasawa

Kotaro NAGASAWA

(Platinum Initiative Network, Inc.

Born in Tokyo in 1958. Former Senior Managing Executive Officer of Mitsubishi Research Institute. During his tenure, he was mainly engaged in research and studies on infrastructure and social security. During his first few years with the company, he was involved in projects related to flood control, and learned from many experts on river systems at the time to think about the national land on a 100- or 1,000-year scale. Currently, he is an auditor of Jumonji Gakuen Educational Corporation. He is also a part-time lecturer at Tokyo City University. Co-authored "Introduction to Infrastructure" (Nikkei BP, 2017), "New Strategies from the Common Domain" (Diamond, 2021), and "40 Years After the Return" (Heibonsha, 2023). D. (Engineering).

5.19Mon 2025

Uncovering the Two Crises Japan Has Faced Due to Excessive Logging of Forests Read "How the Japanese Have Created Forests" by Conrad Tatman (Part 1)

Tokuji Chiba's "A Study of Hageyama" shows that there was severe forest devastation during the Edo period. Then, if we look at Japanese history as a whole [...].

5.9Fri 2025

Reading Tokuji Chiba's "Study of Hageyama" to Reveal the Structure of Poverty Leading to the Deprivation of Common Land (Part 2)

*Part 1 is here A famous book discussing local forest overuse and historical background Reading "Hageyama no Kenkyu" by Tokuji Chiba (Part 1) Tokuji Chiba "Hage [...].

5.6Tue 2025

Reading Tokuji Chiba's "Hageyama no Kenkyu" (Study of Hageyama), a famous book discussing local forest overuse and its historical background (Part 1)

We know that when forests are disturbed, the water retention capacity of mountain areas is reduced and large amounts of sediment are washed downstream, forming overhead rivers and deepening harbors at the mouths of rivers [...].

EN