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.

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.

Meals included in the ticket fare are by default vegan (should be cheaper for SAS) and if meat dish is desired then it is a special order at an additional cost.

Nuclear fuel last for much longer than fossil, and a plane can fly as long as it,s food for, so around the world in one flight.

It's also good for noise pollution

Reduce food waste by dropping vegan food that nobody eats

Free reebooking to earlier flight when avilable. Result in filling up seats, and making it more likely to fill up seats on later flights