Iron and steel production contributes about 7% to total global carbon emissions. By retrofitting the world’s existing iron and steel processing plants with low-carbon technologies, and improving scrap collecting and recycling, the iron and steel sector can dramatically reduce its carbon emissions. Upgrading, or retrofitting, these processing plants five years ahead of when they would be typically scheduled could reduce carbon emissions by up to 70 gigatonnes by 2050, roughly equivalent to two years’ worth of net global carbon emissions.
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