Europe

Inside Europe: Green light for Heathrow runway

The British government has announced that it supports the building of a 3rd runway at Heathrow. It's expected to cost more than 20 billion euros. The government endorsement has been widely welcomed by business leaders but fiercely opposed by environmentalists and local residents. Correspondent Stephen Beard explains why, after years of dithering and delays, the anouncement has come at this time.