Published 10/21/2026 09:55 Updated 10/21/2026 12:45 By Kris Ma/Billie Sweetman/Irene Lin Residents of Tonle Sap in Cambodia are seeing dramatic changes to the waters they depend on. Around 80,000 people live in floating villages across Southeast Asia’s largest freshwater lake, where fishing and farming have long relied on the lake’s natural flood pulse. But climate change, changing weather patterns and upstream hydropower dams are disrupting ecosystems and livelihoods.