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

Nuclear fuel last for much longer than fossil, and a plane can fly as long as it,s food for, so around the world in one flight.

It's also good for noise pollution

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

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.

Not handing out napkins under every drink.

Allow lounge guests to opt-out of onboard service and bring their meal and drink to the aircraft