A Kashmiri woman covers her face as she crosses a dusty road in Srinagar, India, Wednesday, May 6, 2015. Air pollution kills millions of people every year, including more than 627,000 in India, according to the World Health Organization. The WHO puts 13 Indian cities in the world's 20 most polluted, with New Delhi deemed the filthiest, while pollution levels even in the countryside are often several times above what is deemed safe. (Photo by Mukhtar Khan/AP Photo)
