Control of water, including navigation rights, resource extraction and the exploitation of shared watercourses is at the heart of today’s geopolitical tensions in Asia. China’s recent actions in the South China Sea and Himalayas have given rise to further—and at times violent—conflict over the region’s natural resources. So will water insecurity lead to greater partnership in Asia? Or will it lead to a revival of China’s traditional sense of regional dominance and undercut efforts to build a rules-based approach to growing resource conflicts?