It is the second most manufactured material in the world after cement. It’s everywhere: in our cars, our buildings, our washing machines, and even our kitchen knives. Steel alone accounts for 7% of global CO2 emissions and demand will increase further: more than 30% by 2050. So, can we make steel without coal and without fossil fuels? Yes, but it's much more expensive. In France, ArcelorMittal is preparing the future in Le Creusot by manufacturing recycled steel.