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.

You could offer cheaper tickets during these hours, encouraging passengers to choose more eco-friendly flights based on fuel efficient routes, altitude and time slots.

Better lights on scanners for self check in at BGO and others. Making it easier and faster to scan QR codes from phone

Require everyone to pre-order meals, snacks and drinks so that the plane can carry just the right amount of food and drinks.

Option to make a plant a tree donation. By having a partnership with a existing tree planting project.

For hand wash tissues, hand out from a larger container instead of singles wrapped in plastic.