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The World in a Grain, the Story of Sand and How It Transformed Civilization
The World in a Grain, The Story of Sand and how it transformed civilization is published by Simon & Schuster. CNN's John Sutter spoke with author Vince Cevallos about the need to use less natural resources. He says we can't just replace sand with hemp because that would create another problem due to our massive demand for construction materials. "We're out there killing each other for something that we normally don't value at all," he said.