"Everybody living in India is a smoker" due to pollution, but there's some hope
In India, nearly 1.8 million people die every year as a result of dirty air. In Delhi, with 19 million people, 1,000 more cars hit the road every day, contributing to smog that's dangerous in many ways. But the real cost of the pollution is its toll on human health. Elizabeth Palmer reports from New Delhi as part of our Earth Matters coverage.