- Peace Boat
Non-governmental organization that charters passenger ships annually to sail the globe in search of peaceful solutions to global problems.
- Sasakawa Peace Foundation (2)
- United States-Japan Foundation
Private and independent grantmaking organization dedicated to the promotion of greater mutual knowledge and understanding between Americans and Japanese.
- Nippon Foundation, The
Private organization supporting programs in a wide array of fields and locations.
- Buy Nothing Day Japan
Official Japanese site for the global initiative, Buy Nothing Day, including the history of, philosophy behind, and an event calendar for the holiday.