Give more options to buy Sustainable Aviation Fuel in booking process for members to gain more EuroBonus points.

Better food = less food waste. I see a lot of boxes not being emptied. So make sure it's good quality food to most peoples liking. Keep it simple and good

Enable paid upgrades to Bio tickets online after agency/company booking is made, so employees can override restrictive company policies and gain more level points

Use larger packages for the most consumed drinks, instead of handing out endless amounts of cans (less garbage, less weight on board) .

When going from A to D some times you need to transit in B and even C. Price match the most eco-friendly with the cheapest alternative in points.

Use the food leftovers from each flight to make more biofuel