Offer pre-filled reusable water bottles and collect them in before landing

Develop lightweight, recyclable cabin materials and onboard items to reduce aircraft weight and waste.

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

To increase loadfactor, sell standby memberships to youth passengers who are by nature more flexible. Stable revenue for SAS, increased load factor, more youth mobility.

Let the customer choose different carbon off-sets upon purchase of tickets. It can also include options that boost great projects.

Almost all passengers have their own phones/pads these days. Keep them connected with *good* wifi and IFE wont be needed, massive weight savings.