Full refund for flights (whatever booking class) if travel changed to railway X number days in advance for domestic journeys in Norway between OSL and BGO, SVG or TRD.

In Scandi all tap water is great. Sell SAS water bottles onboard which are made to be reused = able to buy for points, pre-order as well. And then load tap water onboard.

Serve only ecological wine/champagne including long-haul business class no exceptions, brand SAS as world's first 100% ecological wine airline.

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

In small airports, like Vigra, where there only 1 or 2 airplanes stand, have roofs like carports to prevent snow on plane. This will reduce amount of deicing fluid needed.

Introduce an option during the booking process for passengers to offset their carbon footprint by contributing to environmental projects, with SAS matching portion of it.