We are running out of sand. No, really, and here’s a chart to prove it:
Now wait a second. The Sahara Desert is brimming with sand. Why can’t we use that?
Desert sand grains are too smooth to be useful, and most of the angular sand that is suitable for industry comes from rivers (less than 1% of the world’s land). This extraction of sand and gravel has far-reaching impacts on ecology, infrastructure and the livelihoods of the 3 billion people who live along rivers.
Huh. How about that?
Current estimates of global sand mining are unreliable and undoubtedly too low….There are few long-term, basin-wide programmes monitoring sediment. It is technically hard to quantify how sand moves or is deposited along rivers….In many countries, sand mining is unregulated and might involve local ‘sand mafias’….In the Mekong delta, the Vietnamese government estimates that nearly 500,000 people will need to be moved away from river banks that are collapsing as a result of sand mining in the channel.
Click the link if you want to read more about what we can do to support a sustainable, eco-friendly sand industry.