This paper discusses the main barriers and possible solutions to the decarbonisation of steel and cement industries. First, the paper details the economic, regulatory, technological and political economy barriers that impede a low carbon transition. Then, it addresses the role of material efficiency and enhanced recycling in greening these industries, and reviews the emerging and near commercial low- and zero- emissions production technologies. Finally, the policy packages that could contribute to trigger demand and supply decarbonisation of steel and cement are discussed.