I never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers have just finished rebuilding a beach: here's why.
Thanks to the folks from the Corps for showing me around!
There's more about their project here: http://www.nap.usace.army.mil/Missions/Factsheets/Fact-Sheet-Article-View/Article/490778/new-jersey-shore-protection-cape-may-inlet-to-lower-township/
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CAMERA AND DRONE OP: Osprey Perspectives, http://www.ospreyperspectives.com/
EDITOR: Michelle Martin, @mrsmmartin
And thanks to Elmo Keep for linking to the article that inspired this video!
Leatherman, S., Zhang, K. and Douglas, B. (2000).
Sea level rise shown to drive coastal erosion.
Eos, Transactions American Geophysical Union, 81(6), p.55.
Peduzzi, P. (2014). Sand, rarer than one thinks.
Environmental Development / United Nations
Environmental Program, 11, pp.208-218. : http://www.unep.org/pdf/UNEP_GEAS_March_2014.pdf
Zhang, G., Song, J., Yang, J. and Liu, X. (2006).
Performance of mortar and concrete made with a fine aggregate
of desert sand. Building and Environment, 41(11), pp.1478-1481.
Beiser, V. (2015). The Deadly Global War for Sand. Wired. https://www.wired.com/2015/03/illegal-sand-mining/
Beiser, V. (2016). The World’s Disappearing Sand. The New York Times. https://www.nytimes.com/2016/06/23/opinion/the-worlds-disappearing-sand.html