Introduce a "minimal comfort" seating class with basic amenities and reduced seat recline, allowing more passengers per flight and lowering per-person emissions.

Donate unused food and beverages after flights and try to get closer to zero food waste.

Make visible in the app how many people are flying on green fuel on booked flights, to encourage other people to do.

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.

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.

Develop solar-powered aircraft with energy storage systems to enable fully renewable, zero-emission long-haul flights within the next decade.