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The University of the Free State’s green project aims to curb environmental impact of concrete by using industrial waste and by-products. (Photo by Ahmed Zakot/SOPA Images/LightRocket via Getty Images)
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Using ‘rubbish’ instead of stone makes concrete greener

The University of the Free State’s green project aims to curb environmental impact of concrete by using industrial waste and by-products

  • Chris Gilili
3 min read