Digital, reusable RFID bagtag instead of paper stickers.

Just one sickbag on each row, kept in the middle seat.

Replacing the paper catalog with a QR code sticker. This saves tons of paper. Many catalogs are destroyed or unread.

Even if you have a few seats in business. The planes will be filled as usual while providing better service with almost no additional carbon footprint.

Encourage food suppliers and distributors to use more sustainable and healthy packaging in the food that gets served.

Taxiing from and to gates from runways should be more smooth and with less fuel - using for example AI