ScienceGreen hydrogen vs. carbonTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience02/26/2021February 26, 2021The iron and steel industry has a huge carbon footprint. It uses vast amounts of coal and emits vast amounts of CO2. A German steelmaker aims to switch to hydrogen produced with renewable energy in its blast furnaces. https://p.dw.com/p/3py3DAdvertisement