Change the paper dispensers in the lavatories, often many tissues come at a time. Get single tissue dispensers. Save paper and avoid overfilled bins that looks untidy.

Ensure correct recycling of plastics by unwrapping meals and plastic protected crisp breads before handing to the customer.

Sell biofuel to companies in bulk to lower their CO2 emissions and fast track the green transition. This would simply corporate action and speed up climate transition.

Make flight space available for package distributors ex. DHL for a fee. Might save their flight and truck if packages can go with regular airplanes.

Let it be easy to take steps when buying bio-fuel.

Instead of opt-out for food on the plane plane that is included in ticket, make it opt-in.