In M class on Intercontinental flights reduce the usage of plastics, ask the passenger to keep their glass for the entire flight before collecting it for recycling.

In small airports, like Vigra, where there only 1 or 2 airplanes stand, have roofs like carports to prevent snow on plane. This will reduce amount of deicing fluid needed.

Bagtag with permanent barcode/QR and NFC. No more waste from printing pagtags. Alternativly E-Paper to solve randomizing of codes

Give more options to buy Sustainable Aviation Fuel in booking process for members to gain more EuroBonus points.

In a week/ some days before a flight, do sell “stand by tickets”, to a cost of approx. Euro 50 in Europa, Euro 200 intercontinental, , to increase the cabin factor.

Separate the salt and pepper from the rest of the table set. Way too often it's just thrown away.