London, England (CNN) — Air travel could be powered from vast seas of algae growing close to airports within four years, according to researchers and airlines hoping to find a green future for aviation.

Industry giants including British Airways and Airbus are supporting a project at the UK’s Cranfield University to investigate ways of harvesting algae for jet fuel in commercial quantities.

The project gets underway as 1,500 delegates from governments and the aviation industry leave Montreal after the triennial conference of the International Civil Aviation Organization, which finished on October 8.

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algae bioreactor site

“The key to sustainability is not putting all your eggs in one basket.”
— Professor Feargal Brennan, Cranfield University