The COP26 conference, set to take place in November this year, will be the most significant gathering of world leaders to discuss how to tackle climate change since the Paris Agreement was signed in 2015.

Sustainable aviation fuels are typically derived by combining jet fuel with alternatives such as bio-fuels or recycled oils from industrial food facilities. BA said that the fuel it intends to use provides a lifecycle carbon reduction of up to 80 per cent compared to traditional jet fuel.

BA has also announced a programme allowing its customers to purchase sustainable aviation fuel to help reduce their personal carbon footprint via its not-for-profit organisation Pure Leapfrog. This is in addition to the existing option for customers to offset their emissions.

Airlines, alongside fossil fuel firms, have been keen to push customers into taking responsibility for their carbon footprint as their own industries struggle to develop convincing strategies...