https://japanclimate.org/

JCI is a loose network for strengthening the dissemination of information and exchange of opinions among companies, local governments, and NGOs that are actively working on climate change countermeasures.252 companies, 29 local governments, and 75 NPOs and other organizations are participating as of March 27, 2019.
We will contribute to decarbonization by promoting voluntary efforts and supporting local governments and companies that are actively working on climate change countermeasures