Mark Zeitoun, Director General of the Geneva Water Hub and expert in international water law, discusses China’s ambitious plan to construct the world’s largest hydropower dam on the Yarlung Tsangpo River. He highlights the potential energy output, which could surpass the Three Gorges Dam, while addressing concerns over ecological impacts and geopolitical tensions with neighboring countries. The conversation also explores China's broader goals for renewable energy, water management, and climate action, all of which are crucial in a rapidly changing global landscape.