IEA (2022), Direct CO2 emissions from primary chemical production and CO2 intensity in the Net Zero Scenario, 2000-2030, IEA, Paris https://www.iea.org/data-and-statistics/charts/direct-co2-emissions-from-primary-chemical-production-and-co2-intensity-in-the-net-zero-scenario-2000-2030, Licence: CC BY 4.0