Issue extra bonus and level points to passengers who decide opt out of their included meal ahead of a flight.

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

If possible, adjust aircraft speed to reduse fuel consumtion

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

Create an ability to share a seat in your car with other passengers on the flight. It's better than everyone riding their car.

Send electronic ticket together with general flight information when sending e-mails to customers. This will cut the sent e-mail number and reduse server energy usage.