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.

Bio fuel / green fuel as default, and having to pay more as a passenger if you want to fly on fossil based airplane fuel.

Use AI to make boarding faster, and reduce the amount of luggage that the passengers can bring on the plane😊

Eco-paint is better for the climate.

In Plus and Business on long haul - hand out amenity kits by request instead of placing them on all seats.

More level points to trips that are more sustainable and have less legs and layovers to promote more direct travel.