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Earth Is Running Out of Sand, Spurring a Cutthroat Black Market
(popularmechanics.com)
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What is geoscience?
Geoscience (also called Earth Science) is the study of Earth. Geoscience includes so much more than rocks and volcanoes, it studies the processes that form and shape Earth's surface, the natural resources we use, and how water and ecosystems are interconnected. Geoscience uses tools and techniques from other science fields as well, such as chemistry, physics, biology, and math! Read more...
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The last remaining sand mine on Minjerribah (worlds second largest sand island) closed in 2019. It will take a long time to rehabilitate the sand mining sites, they've left "scars" on the island. IIRC some locals were concerned about the loss of jobs. It will be interesting to see if this will be resumed in some form, if sand really is becoming a rare commodity.