IEA (2021), Global energy-related CO2 emissions in the Stated Policies, Sustainable Development and Net Zero scenarios, 1990-2050, IEA, Paris https://www.iea.org/data-and-statistics/charts/global-energy-related-co2-emissions-in-the-stated-policies-sustainable-development-and-net-zero-scenarios-1990-2050, Licence: CC BY 4.0