Stop handing out plastic cups for canned drinks such as sodas, beer, and water. Unless the passenger asks for it. Reduces the number of unused cups that are thrown away.

Make an easy solution for choosing to skip meal on flights.

Have a separate bin to put old baggage tags and recycle them. Not together with ordinary waste.

Possibility to add transportation ticket to airport when buying a ticket from the Scandinavia's big cities. For example airport express train or flybus.

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

Travel light = bring less than 8 kg. If you do so, you should be rewarded with points. If not, SAS will use the extra money you have to pay for sustainability investments.