Present sustainability data for the flight in the infotainment system, with for instance bio-fuel stats, # meals pre-selected and how much carbon emissions was saved.

Keep a updated and modern fleet of aircrafts.

Make visible in the app how many people are flying on green fuel on booked flights, to encourage other people to do.

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

In order to maximum cabin factor, offer Eurobonus tickets on all flights

Magazines and security and safety papers, is put on the sas app or screen only for long hauls to save paper