Make the app as lightweight as possible. Remove images, animations and leave only the bare necessities. This saves data transfer and storage - which in turn saves energy.

Sponsor projects that can help build renewable energy sources, like wind mills, solar panels. Additionaly work with selected airports on becoming carbon neutral

Magazines and security and safety papers, is put on the sas app or screen only for long hauls to save paper

Offer a ”Sustainable Comfort Kit” with eco-friendly amenities like reusable water bottles, organic snacks and bamboo sleep accessories

The person that pays for most eco Fuel in a flight, should be awarded with free upgrade in form of free sas plus upgrade or free lounge access

Direct air capture at airports.