Is the Covid-19 crisis the catalyst for greening the world's airlines?

Aviation is struggling and seeking support, but there are demands for it to give something in return

• Labour to plan green economic rescue from coronavirus crisis

The political moment is now" to address the climate risks posed by the aviation industry, analysts, insiders and campaigners say, as governments across the world weigh up bailouts for airlines grounded by the coronavirus pandemic.

Rescue packages need to come with green strings, such as reduced carbon footprints and frequent flyer levies, they warn, or the sector will return to the path that has made it the fastest rising source of climate-wrecking carbon emissions over the past decade.