FinanceRising interest rates have sapped momentum for climate fundraisingJapanese green bond issuance has trended lower since hitting a peak in 2023. (Photo by Toshiki Sasazu)NODOKA MURAKAMIMay 21, 2026 05:00 JSTTOKYO -- Japan is poised to broaden the scope of green bonds to include electric-vehicle batteries, hydrogen gas turbines and other technologies as rising interest rates discourage the use of this fundraising tool for sustainability projects.