Offer rebate to business class passengers for not using the full luggage quota.

At check-in and at kiosk ask if they really need paper boarding card or can use SAS app instead.

Make it possible to buy the Conscious Traveler Bag tags for all Eurobonus members

In small airports, like Vigra, where there only 1 or 2 airplanes stand, have roofs like carports to prevent snow on plane. This will reduce amount of deicing fluid needed.

Voluntary fee of 5 cent/mile that goes to research and developement all electrical passenger airplanes. The aircompany gives another 5 cent per same miles.

Do not carry tax-free goods on flights. Use as online service and if necessary in partnership with partners allowing pick-up at airports.