•Decarbonizing the industrial sector is a key part of economy-wide decarbonization•Decarbonizing process heat alone can mitigate about fifth global CO2 emissions•Cross-cutting R&D that decarbonize identified Industry often termed “hard to decarbonize” because vast, inhomogeneous array processes comprise sector. Nevertheless, decarbonization crucial addressing emissions. In 2010, full 13.1 gigat...