For centuries, the flood pulse of this lake has fed a nation and nurtured incredible biodiversity...
Tonle Sap Lake is one of the most productive freshwater ecosystems in the world. But overfishing, climate change and plans to build a hydropower dams could threaten the animals that make their home in the body of water known as the beating heart of Cambodia. Hari Sreenivasan narrates a report in partnership with the Pulitzer Center on Crisis Reporting on efforts to track and maintain lake health.
