Detailed text transcripts for TV channel - MSNBC - 20170721:21:59:00
Sand to the hourglass, so are the days of our lives. time is running out for one of the most precious natural resources. the world is running out of sand. we first heard about this from freelance journalist vince on npr this morning. it will affect more than your beach vacation. stick with us here. sand is used in a lot more than you think. it's the basis for cement. roads, bridges and buildings. glass is made from liquid sand and so are is silicon chips in your phone. where does all that sand come from? it's mined. soon all the sand in the u.s. will have to be imported. last week the californ...
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