The decarbonisation of industries is crucial for addressing global emissions and meeting decarbonisation goals. Deloitte's industry specialists collaborated with clients, the public sector, and the scientific community to develop insights on decarbonisation pathways for key sectors with significant carbon footprints. Hard-to-abate industries like steel, chemicals, automotive, and food accounted for 82% of global CO2eq emissions in 2021. The report emphasizes the importance of addressing emissions from these sectors on a global scale. Green electricity and green hydrogen are identified as crucial solutions that can enable decarbonisation efforts across various sectors. Deloitte's ambition is not only to describe the current challenges but also to offer solutions and actions to support industry transformation. The report includes overviews of challenges, regulatory landscapes, technological levers, and success factors for each sector. By analyzing the unique needs of these industries, Deloitte has developed offerings and solutions to aid global players in their decarbonisation journeys. The reference sources cited in the report include leading energy and industry analyses, highlighting the significance of the research. By providing evidence-based insights and leveraging its expertise, Deloitte aims to assist clients globally in navigating the complexities of industry decarbonisation. The report serves as a comprehensive guide for businesses looking to reduce their carbon footprint and align with global decarbonisation goals.