Want a climate-friendly flight? It’s going to take a while and cost you more

A man walks down the steps of the Boeing 777X airplane during the Paris Air Show in Le Bourget, north of Paris, France, Monday, June 19, 2023. Airlines are facing increasing pressure to cut their climate-changing emissions. That made sustainable aviation fuel a hot topic this week at the Paris Air Show, a major industry event. Sustainable fuel made from food waste or plant material is aviation's best hope for reducing emissions in the next couple of decades. — AP

When it comes to flying, going green may cost you more. And it's going to take a while for the strategy to take off.

Sustainability was a hot topic last week at the Paris Air Show, the world’s largest event for the aviation industry, which faces increasing pressure to reduce the climate-changing greenhouse gases that aircraft spew.