Is the World Really Running Out of Sand?

Описание к видео Is the World Really Running Out of Sand?

Sand: a treatise...
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There’s a lot changing in the construction industry, and a lot of growth in the need for materials like sand and gravel. But I don’t think it’s fair to say the world is running out of those materials. We’re just more aware of all the costs involved in procuring them, and hopefully taking more account for how they affect our future and the environment.

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