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

Donate unused food and beverages after flights and try to get closer to zero food waste.

Change the paper dispensers in the lavatories, often many tissues come at a time. Get single tissue dispensers. Save paper and avoid overfilled bins that looks untidy.

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.

Always aim for fully booked flights; if not, find the best solution to optimize occupancy and efficiency.

Free coffee only for those who have reusable cups with them. Fee for paper cup or no paper cups at all.