The world is running out of cheap sand. Time to breed swarms of parrotfish? | Hacker News

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tankenmate on Nov 20, 2017 | parent | context | favorite | on: The World Is Running Out of Sand

The world is running out of cheap sand. Time to breed swarms of parrotfish?

werdnapk on Nov 20, 2017 [–]

You need a healthy coral reef to do that and us humans have done a pretty good job at running out of those too.

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