Most polluting airlines in the UK 2023
British Airways was the most polluting airline departing from the United Kingdom in 2023, with the flag carrier airline emitting 7.5 million metric tons of carbon dioxide (MtCO₂). Ryanair and Easyjet followed, with each airline emitting a total of 2.6 MtCO₂. In total, the 10 most polluting airlines departing from the UK in 2023 emitted 22 MtCO₂.