What would it take for global aviation to reach climate neutrality? How would this affect people individually and collectively, and how could society adapt? From the perspective of the Geneva airport, what are key metrics today, and how would they change in a sustainable society? Who would fly, and for what purpose? Who would decide, and how could the system be governed to ensure such use of flights best benefits society? The talk will be followed by a public debate, following the 55th anniversary of the ARAG Association.