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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)
AIR POLLUTION

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