When the crew collects trash before landing, why not make separate rounds for collecting, cans, plastic cups, paper, etc instead of collecting all trash in the same bin.

Arrange crew accommodations closer to airports to reduce transportation emission

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.

Implement biometric boarding and baggage tracking using facial recognition and RFID for faster boarding, reduced delays, and improved efficiency.

Dynamic seating - people with checked in baggage should be placed towards the rear of the plane as they are more likely to have to wait anyway on arrival at destination.

In order to maximum cabin factor, offer Eurobonus tickets on all flights