unregulated sand mining threatens denmark rivers
Apr 12, 2019·Unregulated sand miningin the developing world is wreaking devastation onriversand coastlines in the process. Architects, engineers and materials suppliers can take action to release its stranglehold on the sector. The frantic pace ofurban growthis driving unprecedented demand for aggregates used in concrete, asphalt and glass, and a black market forsand extraction.
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