Beijing set to become world's busiest aviation hub with new mega-airport

Proposals for giant third airport could mean 120 million passengers pass through Chinese capital a yearBeijing is moving to overtake London as the world's busiest aviation hub with the construction of a third airport that could have as many as nine runways.The new mega-project - part of a huge expansion of China's airline industry - has alarmed environmental groups, who warn aircraft will increasingly contribute to the country's already dire pollution problems and high greenhouse gas emissions. Continue reading...