A low-temperature electrochemical method for producing iron could reshape the steel industry. A blazing snapshot of traditional ironmaking, one of the world’s most polluting industries. sdlgzps/iStock ************************************************************************* Steel is the backbone of modern civilization—used in everything from buildings and bridges to cars and appliances. On the other hand, steelmaking is one of the world’s largest sources of carbon emissions, primarily due to the traditional process of extracting iron from ore using coal-fired blast furnaces. As the global demand for steel continues to grow, finding cleaner, more sustainable methods of production is critical—not just for climate goals, but for the future...