Cut the knives and fork in the breakfast box, we only need spoon for yoghurt. There's no need for one glass per item

International ban on private jets. Everyone can fly commercial. With option like business and first class this should be achievable if all nations want to reduce emission

Waste reduction challenge: Launch an in-flight competition where the flight producing the least waste per passenger wins a sustainability award

Stop tankering on flights, lighter aircraft less fuel burnt and on shorter flights possibility to save deicing.

Stop Printing menus for biz class, make them available on the monitor.

Allow free rebooking on the day of departure to a shorter route or a route with less stops when available, even in low booking classes and without status.