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.

For every mile the aircraft flies overseas, SAS commits to a certain amount of plastic being removed from that ocean.

Use infrared heating to melt snow, ice, and frost without using chemicals

My personal CO2 emissions should be listed on my boarding pass in the app for each flight.

Option to sort by emission when booking flights

Make flight space available for package distributors ex. DHL for a fee. Might save their flight and truck if packages can go with regular airplanes.