Establish additional partnerships with other airlines on specific routes to, for example, consolidate two half-full flights into one fully-booked flight.

Eliminate single-use plastics and cardboard, use reusable porcelain, cutlery and glasses for on-board service instead.

Digital, reusable RFID bagtag instead of paper stickers.

Eliminate plastic bottles by installing onboard refill stations for reusable water bottles, encouraging passengers to bring their own bottles, and reducing plastic waste.

Drive industry to find alternatives to de-icing with chemicals.

SAS should encourage the last lounge guests to take leftover food, minimizing waste and promoting sustainability in their lounges.