‘Houses On The River Will Fall’: Cambodia’s Sand Mining Threatens Vital Mekong

Cambodia is experiencing a building boom that is transforming its capital, Phnom Penh. Sitting at the confluence of the Mekong and the Tonle Sap rivers, the city’s low-slung French colonial architecture is being replaced with high-rise apartment buildings, malls and luxury car dealerships. Sand from the Mekong’s sediment is key to that construction growth.

Sand dunes can ‘communicate’ with each other

Even though they are inanimate objects, sand dunes can ‘communicate’ with each other. A team from the University of Cambridge has found that as they move, sand dunes interact with and repel their downstream neighbors.

Rule change may threaten coastal areas

The U.S. Department of Interior Secretary’s reversal of a rule that limited where sand within federally restricted coastal zones may be placed is a change that environmentalists say is a step backward in protecting sensitive coastal resources.

Asia’s hunger for sand is harmful to farming and the environment

Singapore’s added construction plan (in brown), 01-2020. Photograph: © SAF — Coastal Care Singapore’s expansion has been a colossal undertaking. It is not merely a matter of coastal reclamation: Singapore is growing vertically as well as horizontally. This means that the nation’s market needs fine river sand—used for beaches and concrete—as well as coarse sea […]