Sand Problem

Several countries around the world are running out of sand and taking several precautions to prevent this problem. In order to prevent this problem the exports of sand have been banned and sand mines have been closed. Sand is a vital natural resource next to water and air so all countries around the world need to do what they can to protect it.
https://www.npr.org/2017/07/21/538472671/world-faces-global-sand-shortage

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