FN ISI Export Format VR 1.0 PT J TI Edelweiss Air AF Chee, Oriana AU Chee, O AB Climate change is a global problem. Companies all over the world are forced to contribute to the environment by operating more sustainable. This discussion is also becoming a crucial topic in the airline industry, as aviation is responsible for 12 % of global transport CO2 emissons (Atag,org, 2020). The aim of this thesis is to analyse the current situation in aviation and to compare Edelweiss Air AG to the most sustainable carriers. The focus lies on eco-friendly measurements and innovations implemented by competitors. By the means of research and expert interviews, a list of sustainable factors will be generated and rated by their significance. Subsequently, various operational departments of Edelweiss Air AG will be examined to determine weak points to improve, which ensure an increase in environmental friendliness. As a result, the most important factor will be identified, and recommended actions elaborated to strive for a more sustainable future for Edelweiss Air AG. ER