The recommendation for a new runway at Heathrow Airport sparked fresh debate on the environmental impact of the plan and stirred up further political debate.
Local campaigners and environmental groups vowed to continue their protests against the expansion, as business leaders broadly welcomed the plans.
Green groups attacked the announcement because of the likely impact on the environment.
Greenpeace UK executive director John Sauven said:
A third runway at Heathrow is an environmental and political minefield. It would jeopardise the UK's climate targets, worsen air pollution in London, and open up a political can of worms for David Cameron.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.
Here are the key statistics in the Airport Commission's proposal for a new runway at Heathrow.
The Airports Commission is to publish its report and recommendations on whether an extra runway should be built at Gatwick or Heathrow.