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SOS (Save Our Sand)
¹Ú¼­¿¬ °­³²Æ÷½ºÆ® Çлý±âÀÚ | ½ÂÀÎ 2019.10.07 20:47

Sand is a crucial factor for producing one of mankind’s most essential products - concrete. Our Earth consists of approximately 7.5 x 1018 grains of sand. This massive amount of sand is being severely depleted at a dangerously fast pace. According to the BBC, people use “27 billion tonnes a year in construction and that this will double to 55 billion tonnes by 2060”. The main cause of the overconsumption of sand is rapid urbanization followed by rising demands for infrastructure and concrete. It is not surprising to hear that mankind is destroying the Earth’s environment. The overconsumption of sand to manufacture concrete poses severe environmental threats to people and the economy.

According to BBC, concrete manufacturing accounts for 7% of global CO2 emissions. Besides, numerous countries are illegally extracting sand from river banks, causing violent tides. As a result, coastal residents are more vulnerable to storms because the large amount of coastal sand that normally alleviates violent water flows are removed. In the short term, the effects of the overconsumption of sand seem inconsequential, but in the long term, the overuse of sand will constantly deplete our Earth. The main issue at the moment is that the consumption of sand is outpacing nature’s ability to re-create sand. If you are reading this article, reflect on how you may be impacting the consumption of sand. How much concrete do you think was used in the construction of your apartment or office?

Currently, experts and environmentalists are searching for methods to reduce the negative environmental impact caused by this mass consumption. They are researching and developing alternatives for sand that can still satisfy our demands for concrete for our building industry. Yet, efforts to achieve sustainability must be taken initiative by everyone involved in the construction industry, directly or indirectly. Firms directly related to the construction industry have several innovative, sustainable solutions to develop. BBC states plastic can replace 10% of sand in concrete, reducing the use of illegally extracted sand and plastic in landfills. If we fail to sustain our sand, we might encounter a day without sandcastles on the beach.

 

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