In the app, the PAX can choose what they don't want/need from what is included in their ticket. No checked-in luggage get EB points. No meal, no headphones, no kit +++.

Let's start by using SAF at least for domestic flights.

Sell biofuel to companies in bulk to lower their CO2 emissions and fast track the green transition. This would simply corporate action and speed up climate transition.

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.

Window shades down when parked at warm days. Keep the fuselage cooler. Experienced it domestic USA and it works

Let it be easy to take steps when buying bio-fuel.