Drive industry to find alternatives to de-icing with chemicals.

Separate the salt and pepper from the rest of the table set. Way too often it's just thrown away.

Allow lounge guests to opt-out of onboard service and bring their meal and drink to the aircraft

Introduce a "minimal comfort" seating class with basic amenities and reduced seat recline, allowing more passengers per flight and lowering per-person emissions.

Have a separate bin to put old baggage tags and recycle them. Not together with ordinary waste.

In a week/ some days before a flight, do sell “stand by tickets”, to a cost of approx. Euro 50 in Europa, Euro 200 intercontinental, , to increase the cabin factor.