1. Introduction 2. The Geopolitics of Competition and Conflict since the halt of the Russo-Korean Pipeline A. Chinese proposal for Russo-Sino-Korean gas pipeline cooperation B. Likelihood of changes in Russia’s position C. Expansion of the Japanese factor D. Internal conflicts in South Korea and the U.S. negative viewpoint 3. The Meaning and Role of the Russo-Korean Pipeline: Possibilities for New Cooperation A. Catalyst for Northeast Asian energy cooperation B. Beyond energy cooperation: Catalyst for Northeast Asian Peace and Cooperation Initiative and the Trust-building Process on the Korean Peninsula