Toxic mud from aluminium production can be used to make greener steel

Producing steel generates huge amounts of CO2 emissions. These could be reduced with a technique that repurposes the hazardous red mud produced when refining aluminium

​Producing steel generates huge amounts of CO2 emissions. These could be reduced with a technique that repurposes the hazardous red mud produced when refining aluminium Producing steel generates huge amounts of CO2 emissions. These could be reduced with a technique that repurposes the hazardous red mud produced when refining aluminium