Entry into force of the UN Watercourses Convention in August 2014, and the opening of the UNECE Water Convention to all states in March 2016, are significant milestones in international water law. A comparative analysis of these two global water conventions and the 1995 Mekong Agreement reveals that all three instruments are generally compatible. Nonetheless, the international legal principles and processes set forth in the two conventions can render the Mekong Agreement more up-to-date, robust and practical. The Governance Regime of the Mekong River Basin: Can the Global Water Conventions...