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Why Is the Mekong Delta Sinking? Groundwater, Dams and Sand Mining Are Weakening Its Ability to Build Land
Rising seas are only part of the Mekong Delta’s challenge. Groundwater pumping is lowering the land, while dams and sand mining reduce the sediment that helps sustain it. -
When the River Reverses, the Lake Awakens
Each rainy season, the Tonle Sap River reverses and water from the Mekong expands the lake into forests and floodplains. This seasonal flood supports fish, farming, and food security, but its rhythm is changing. -
Where Does the Sand Beneath Our Cities Come From? Construction, Coastal Erosion, and the Global Sand Crisis
Cities depend on enormous quantities of sand and gravel for concrete, roads, and infrastructure. This article explores how construction demand is reshaping rivers and seabeds, accelerating coastal erosion, damaging ecosystems, and creating a global need for sustainable sand management.
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