World Health Organisation has released a new report on air pollution, and Indian capital New Delhi ranks high, second only to Saudi Arabian city Riyadh among other mega cities in the world.
●    According to the report titled Ambient Air Pollution: A Global Assessment of Exposure and Burden of Diseases, more than 90 per cent of the world population breathes dirty air and around 6.5 million people die due to ailments caused by air pollution. 
●    India alone accounts for 75 per cent of the cardiovascular diseases and lung cancer, states the report.
●    Delhi is joined by Mumbai and Kolkata in the list of 11 most populated mega cities, which makes India the country with maximum number of cities in the list. 
●    The pollution levels of Delhi has been a cause of concern for a while now, with the state government adopting dire measure like maintain an odd-even scheme for cars on the road on alternate days.

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