The industrial production of materials such as cement and steel is a significant contributor to carbon dioxide emissions, or so claims the International Energy Agency. Cement, for example, accounts for 7% of such emissions globally. Reducing the sector’s emissions would go a long way towards fighting climate change. Industries can avoid such emissions Heliogen is […]

China produces nearly half a billion tons of steel annually. The resulting steel slag production, the partially vitreous by-product of smelting ore to separate the metal from the rest, amounts to some 40 million tons. Decreasing iron ore resources, coupled with increasing energy costs, have led Shanghai-based Baosteel to find ways to process the steel […]