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Food 'made from air' could compete with soya
Finnish scientists producing a protein "from thin air" say it will compete with soya on price within the decade.
The protein is produced from soil bacteria fed on hydrogen split from water by electricity.
The researchers say if the electricity comes from solar and wind power, the food can be grown with near-zero greenhouse gas emissions.
If their dreams are realised, it could help the world tackle many of the problems associated with farming.
When I visited Solar Foods' pilot plant on the outskirts of Helsinki last year the researchers were raising funds for expansion.
Now they say they have attracted 5.5m euros of investment, and they predict – depending on the price of electricity – that their costs will roughly match those for soya production by the end of the decade - perhaps even by 2025.