Serve sustainably grown coffee and tea on all flights from farms that are certified as carbon offset due to their farming practices

Give/sell digital bag tags to frequent flyers

Mount small blades on the side of the wheels to make them spin by themselves before landing to reduce tyre wear upon contact with tarmac.

Using hydrogen tanks in the rear of the plane, for example. This could work on shorter routes such as domestic flights or intra-Europe.

Better lights on scanners for self check in at BGO and others. Making it easier and faster to scan QR codes from phone

Developing a loyalty program that rewards frequent flyers with sustainability points, which can be redeemed for eco-friendly products or donated to environmental causes