Possibility to add transportation ticket to airport when buying a ticket from the Scandinavia's big cities. For example airport express train or flybus.

Present sustainability data for the flight in the infotainment system, with for instance bio-fuel stats, # meals pre-selected and how much carbon emissions was saved.

Allow users to visualise their travel carbon footprint in-app. Include everything such as transportation to/from the home and destination, hotels.

Option to sort by emission when booking flights

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

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.