Fill up empty seats by selling affordable return trips to unknown/secret destinations. Pick the destinations among those that have low occupancy close to departure time.

Put some pressure on Swedavia to create more EV charging in the parking and use "Green Electricity" This is more of the total experience of travelling.

More level points to trips that are more sustainable and have less legs and layovers to promote more direct travel.

Let the customer choose different carbon off-sets upon purchase of tickets. It can also include options that boost great projects.

Replacing the paper catalog with a QR code sticker. This saves tons of paper. Many catalogs are destroyed or unread.

Include 1 free unit of biofuel per booked flight, for passengers that have reached Conscious Traveller status.