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mixmastamyk
on Nov 20, 2017
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The World Is Running Out of Sand
As materials become scarce their prices are raised, acting as a natural brake on their use. Environmental concerns may still be an issue however.
imtringued
on Nov 21, 2017
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At some point the price is high enough that we can no longer afford to just throw away the material. It becomes profitable to recycle. Copper is a good example.
PeachPlum
on Nov 20, 2017
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With the caveat of Jevan's Paradox
https://en.wikipedia.org/wiki/Jevons_paradox
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