1. European Aviation Environmental Report 2019 – EASA.EUROPA.EU. https://www.easa.europa.eu/eco/sites/default/files/2021-09/219473_EASA_EAER_2019_WEB_LOW-RES_190311.pdf
2. Lee, D. S., Fahey, D. W., Skowron, A., et al. (2021). The contribution of global aviation to anthropogenic climate forcing for 2000 to 2018. Atmospheric Environment, 244, 117834.
3. Post-COVID-19 forecasts scenarios. https://www.icao.int/sustainability/Pages/Post-Covid-Forecasts-Scenarios.aspx
4. Aviation emissions: EU confirms its participation in the Corsia Voluntary Phase from 2021 and chooses more ambitious option to calculate its offsetting requirements. https://www.consilium.europa.eu/en/press/press-releases/2020/06/25/aviation-emissions-eu-confirms-its-participation-in-the-corsia-voluntary-phase-from-2021-and-chooses-more-ambitious-option-to-calculate-its-offsetting-requirements/
5. Why ‘flight shame’ is making people swap planes for trains. https://www.bbc.com/future/article/20190909-why-flight-shame-is-making-people-swap-planes-for-trains