Stop giving away perks for children. They'll all end up in the garbage anyway.

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.

Let the captain thank the x number of passenger on board that added bio-fuel on the ticket.

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.

Giving an incentive and getting more passengers to travel light should reduce aircraft loading and fuel consumption. Alternatively allow more cargo.

Make corporates invest in a sustainability fund not only SAF