Niwat Roykaew in dialogue with Native American leaders and elders; Jeremy Takala, Wilbur Slockish, David Sohappy Jr., and Julian Matthews. Rights of local people and their relationship with big rivers. Portland, Oregon, USA. October 14, 2023. Mr. Roykaew is Director of Chiang Khong Mekong School, and winner of The Asia Foundation's Chang-Lin Tien Distinguished Leadership Award, and the Goldman Environmental Prize for 2022.