On Trending @ 10, another grim reminder that the air that we are breathing in several of our cities in India is killing us. The World Health Organisation, in its latest report, shows that of the 20 most polluted cities in the world, the top 14 are in India. The rider is that the numbers are from 2016. On the show, we look at the startling findings of the report and ask: are steps taken by the government to combat air pollution enough? How can India's air be cleaned? And what can we learn from the China model?