Video: Most Polluted Major City On Earth

New Delhi

New Delhi is the most polluted major city in the world, and air quality is so bad that it's the equivalent of smoking ten cigarettes a day.

UNEP Clean Air Advocate, electric mobility entrepreneur and ABB FIA Formula E Championship racing driver, Lucas Di Grassi, travels to Delhi to see for himself the fight against air pollution from the frontline, meet those most effected, and look for solutions.