Finger food that's easy and clean to eat reduces the need for cutlery and packaging. That's less weight and packaging and opens up for fun, hearty snacks.

Giving an incentive and getting more passengers to travel light should reduce aircraft loading and fuel consumption. Alternatively allow more cargo.

○○93♥Passengers can EuroBonus points by pre-booking sustainable airport transfer (train, public transport).

Include 1 free unit of biofuel per booked flight, for passengers that have reached Conscious Traveller status.

By reducing the time planes spend with engines idling on the ground, we can decrease fuel consumption and emissions.

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