Steel is often perceived as among the most difficult of the so-called “hard-to-abate” sectors. And yet, steel plants can greatly improve their carbon footprints by using techniques that include digitalization; hydrogen- and direct-reduced iron processes to eliminate the use of coal, reduction of heat loss in the casting and rolling process or recycled waste gases and heat. What sustainability philosophies and techniques are gaining the most traction in this industry? How are innovators driving the necessary changes? What is the outlook for widespread adoption of these new techniques?