[https://ourworldindata.org/co2-emissions-from-aviation] 4. International Energy Agency (2021), Report on Aviation[https://www.iea.org/reports/aviation] 5. International Air Transport Association (2021), Resolution on the industry's commitment to reach net zero carbon emissions by 2050 [https://www.iata.org/contentassets/dcd25da635cd4c3697b5d0d8ae32e159/iata-agm-resolution-on-net-zero-carbonemissions.pdf] 6. European Commission & European Parliament, RefuelEU Aviation [https://www.europarl.europa.eu/RegData/etudes/BRIE/2022/698900/EPRS_BRI(2022)698900_EN.pdf]  initiative  7. European Parliament, Texts adopted Sustainable aviation [https://www.europarl.europa.eu/doceo/document/TA-9-2022-0297_EN.html]  Initiative)  fuels  8.
European Commission (2021), Questions and Answers: NextGenerationEU [https://ec.europa.eu/commission/presscorner/detail/en/qanda_21_5211]  (ReFuelEU  first  Aviation  green  bond  issuance