Develop solar-powered aircraft with energy storage systems to enable fully renewable, zero-emission long-haul flights within the next decade.

Do NOT introduce business class with free middle Seat instead of SAS plus service. This is a mile step backwards as planes take fewer passengers.

Incentivize sustainable behavior, e.g. a small reward for bringing your own coffee cup. This can also be sold by SAS in the Eurobonus store or in flight.

Include meal information as early as possible in-app.
This is good for people with allergies, so they abstain from it.

Offer a ”Sustainable Comfort Kit” with eco-friendly amenities like reusable water bottles, organic snacks and bamboo sleep accessories

Bio fuel / green fuel as default, and having to pay more as a passenger if you want to fly on fossil based airplane fuel.