Why the world is running out of sand and why it matters
In short: Sand is a non-renewable resource that is being depleted faster than it can be replaced. This video examines why we are running low on this essential material and follows the US Army Corps of Engineers as they work to rebuild a beach in Cape May, New Jersey.
While sand may seem abundant, it is a finite resource that is constantly being washed into the sea. The depletion of sand is a significant environmental concern, as highlighted by research from the United Nations and studies on coastal erosion. The problem is exacerbated by rising sea levels, which drive the erosion of coastlines.
Beyond coastal protection, sand is a critical component in construction, specifically in the production of mortar and concrete. Researchers have explored alternatives like desert sand to address the scarcity of traditional fine aggregates, though the global supply remains under pressure due to high demand and natural loss.
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- Summary by Intellect · source: The World Is Slowly Running Out Of Sand
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