- Environmental Cooperation
- Bilateral / Regional Cooperation
- Multilateral
- East Asia Summit Environment Minters Meeting (EAS EMM)
- ASEAN+3 Environment Ministers Meeting
- The Tripartite Environment Ministers Meeting among Japan, China and Korea (TEMM)
- Japan-ASEAN Dialogue on Environmental Cooperation
- North-East Asian Subregional Programme for Environmental Cooperation (NEASPEC)
- Northeast Asian Conference on Environmental Cooperation (NEAC)
- Environment Congress for Asia and the Pacific (ECO ASIA)
- Bilateral
- Japan-China Environmental Policy Dialogue
- Japan-Korea Environmental Policy Dialogue
- Japan-Mongolia Environmental Policy Dialogue
- Japan-Iran Environmental Policy Dialogue
- Japan-Singapore Environmental Policy Dialogue
- Japan-Indonesia Environmental Cooperation
- Japan-Vietnam Environmental Policy Dialogue
- Japan-Myanmar Environmental Policy Dialogue
- Japan-Thailand Environmental Policy Dialogue
- Japan-India Environmental Cooperation
- Japan-Saudi Arabia Environmental Cooperation
- Japan-Philippines Environmental Cooperation
- Japan-Brazil Environmental Cooperation
- Japan-United Arab Emirates Environmental Cooperation
