On August 26-27, 2019, CACDA co-organized with Center for Energy and Security Studies (CENESS, Russia) and Pacific Forum (U.S.) a trilateral dialogue on Regional Stability and Nuclear Risk Reduction in Northeast Asia in Saint Petersburg, Russian Federation. Secretary-General Li Chijiang and scholars from China Institutes of Contemporary International Relations, Chinese Institute of Nuclear Information and Economics, Chinese Academy of Social Science, China Institute of International Studies and Peking University participated the dialogue. Scholars and experts from Russian Federation and U.S. academies and institutes joined the meeting. CACDA Secretary-General Li Chijiang, CENESS Director Anton Khlopkov and Pacific Forum Director and Senior Fellow David Santoro co-chaired the dialogue. Participants discussed issues on Northeast Security Situation, Nuclear issues on Korean Peninsula, Nuclear Risk Reduction, etc.