1. Aratani, L. (2022, August 12). Dulles solar farm would be the nation’s largest at an airport. The Washington Post.
2. Banchik, L., Siccardo, G., & Rehm, W. (2021, Mai). On target: How to succeed with carbon-reduction initiatives. McKinsey Insights.
3. BAZL, B. f. (2020, Januar). CO2-Emissionen des Luftverkehrs. Schweizerische Eidgenossenschaft.
4. Berton, E. (2019, Oktober 2). Flight shaming hits air travel as ‘Greta effect’ takes off. Thomson Reuters Foundation.
5. Bertschmann, D., Killer, M., Peter, M., Eichler, M., Eugster, O., Karl, M., & Peters, M. (2017, November 9). Volkswirtschaftliche Bedeutung des Flughafens Zürich – Ergebnisse für das Jahr 2016.