This report maps out how the global energy sector can reach net zero by 2050. I believe the report – Net Zero by 2050: A roadmap for the global energy system – is one of the most important and challenging undertakings in the IEA’s history. The Roadmap is the culmination of the IEA’s pioneering work on energy data modelling, combining for the first time the complex models of our two flagship series, the World Energy Outlook and Energy Technology Perspectives. It will guide the IEA’s work and will be an integral part of both those series going forward