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.

Stop giving away perks for children. They'll all end up in the garbage anyway.

Stop serving food/snacks/drinks on the shortest flights and instead implement grab and go lounges. Saves weight and can give customers greater choice.

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

Charging mobile phones or other equipment from sunlight in the sky. «Day flights are always sunny»

SAS should incentivize off-peak flights. Lower ticket prices on empty aircraft will reduce peak demand and the emissions caused by congestion and delays.