IEA (2021), Carbon intensity of electricity generation in selected regions in the Announced Pledges and Net Zero scenarios, 2000-2040, IEA, Paris https://www.iea.org/data-and-statistics/charts/carbon-intensity-of-electricity-generation-in-selected-regions-in-the-announced-pledges-and-net-zero-scenarios-2000-2040, Licence: CC BY 4.0