After Davos, Flight Shaming Isn’t Just a Problem for Airlines

It’s a problem that Davos can’t solve.

The World Economic Forum tried to mitigate the environmental impact of all those private jets traveling to and from this year’s conference in the Swiss town by giving them the option to fill up on so-called sustainable aviation fuel, which is designed to lower carbon emissions compared to normal flights. Many attendees who left the conference after the last session on Friday will nevertheless have had to take commercial planes that use conventional fuel.

Given the WEF’s effort this week to tackle the risks facing the world economy from climate change — environmental issues topped ...