Bristol Airport's expansion plan has been rejected by local councillors over concerns about climate change and pollution.
The airport's owners wanted to build a new car park and transport hub to boost its capacity from 10 million to 12 million.
They also argued the expansion would stop millions of people from the region driving to London airports.
However North Somerset councillors voted 18-7, with one abstention, to reject it, mainly on the grounds that it would be harmful to the environment.
The application had about 8,800 objections from members of the public and 2,400 messages of support, while protesters were present at the council meeting today.
Passenger numbers at the airport are currently 8.9m a year but it has a capacity of 10m.
Bristol Airport chief executive Dave Lees told the BBC the decision risked 'putting the brakes' on the future growth of the region.
However, councillor John Ley-Morgan voiced the common concern: 'How can we achieve our ambition for carbon neutrality by 2030 if we approve this decision?'
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