Podcast: The Insatiable Demand for Sand, by Pascal Peduzzi
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The Insatiable Demand for Sand
January 07, 2016
Cityscape downtown Dubai, Emirates. The Burj Khalifa, world’s tallest tower, is covered in 1.8M square feet of glass, and required 110,000 metric tons of concrete (photo: David Terrazas Morales/Corbis) |
As the world’s metropolises expand to accommodate more people, the earth’s supply of sand is being pushed to the limit. Deceptively abundant, the basic raw material for glass and concrete can’t keep up with demand. In this podcast, Pascal Peduzzi, of the United Nations Environmental Programme, talks about how our overdependence on sand is unsustainable. Pascal Peduzzi, Director of Science in the Early Warning & Assessment Division Of the United Nations Environmental Programme (UNEP) |
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