The Green Guardian / 2 July 2021 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 By Chris Gilili
The Green Guardian / 25 October 2020 Dirty air kills 476 000 newborns In 2019, two-thirds of infant deaths caused by pollution were in sub-Saharan Africa By Sheree Bega