Climate activists have long taken issue with the high carbon emissions per person associated with private jets as estimates show the use of private jets has almost doubled globally in the last two decades.

The industry says it is doing everything it can to boost its use of sustainable aviation fuel, which produces fewer carbon emissions than traditional jet fuel, and to bring in innovations to make flying more efficient.

(Writing by Joanna Plucinska; Editing by Emelia Sithole-Matarise)

By Cecile Mantovani and Joanna Plucinska