Airlines should tell UK customers the carbon impact of flights, watchdog says

Passengers boarding a Ryanair plane. Emissions per passenger are typically lowest on short-haul, fuel-efficient modern fleets with large numbers packed into economy seats. Photograph: NurPhoto/Getty Images

Airlines and booking firms should give UK customers information about the environmental impact of their flights, the regulator has said.

The Civil Aviation Authority urged booking sites to enable passengers to make “more informed travel decisions” by setting out estimates for carbon emissions for flights landing or taking off from British airports.