Free reebooking to earlier flight when avilable. Result in filling up seats, and making it more likely to fill up seats on later flights

Turn old blankets, uniforms, seat covers into bags, carpets, pillow cases, etc. Upcycle old materials into unique collectibles to sell in the EuroBonus shop.

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

Expand conscious traveler so that every 10 steps gives 5000 level and bonus points. Not only once a year. This will engage more people to engage in the program.

Award additional EuroBonus bonus and/or level points when renting an electric vehicle through a car rental partner such as Hertz, Avis or Sixt.

For meals, have condiments provided by request, and not automatically given to passengers. So many food items are unnecessarily thrown away.