Window shades down when parked at warm days. Keep the fuselage cooler. Experienced it domestic USA and it works

Build in feature with EB for status ladder climbed by paying for sustainable fuel, checking in with light luggage, opting for climate neuatral meals and EV taxi to plane

For every mile the aircraft flies overseas, SAS commits to a certain amount of plastic being removed from that ocean.

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

Recycling the deiceing fluid.

Allow free rebooking on the day of departure to a shorter route or a route with less stops when available, even in low booking classes and without status.