CNN: On the one side is business, the economy and growth. On the other is the environment, a village and thousands of local residents. Now that the British government has published consultation this week for a third runway and sixth terminal at London Heathrow Airport, the debate can begin. The proposition is for a 2,200 meter runway to be built north of Heathrow by 2020. This would almost double the number of passengers passing through one of the world’s largest airports and increase the …