Yasuko Kameyama is a professor at the Graduate School of Frontier Sciences, the University of Tokyo.
Companies have become key actors in implementing climate measures to reduce corporate risks

Brazilian President Luiz Inacio Lula da Silva attends the United Nations Climate Change Conference (COP30), in Belem, Brazil, on Nov. 19. © Reuters
Yasuko Kameyama is a professor at the Graduate School of Frontier Sciences, the University of Tokyo.