With millions of cars off city streets, and thousands of aircraft grounded at the height of the COVID-19 pandemic, something remarkable happened. For the first time since the industrial revolution, global carbon emissions saw a record drop of 7%. But as the world begins its recovery, some are worried that this will soon be undone. Etihad however, sees this as the beginning of air travel's sustainable future. On this episode of Altitudes, we'll explore what "sustainable air travel" actually means, and discover what steps Etihad has already taken on the journey to making this a reality.