In India, New Delhi’s smog crisis exposes the high price of clean air

Sitting on the pavement outside the emergency ward of the National Institute of Tuberculosis and Respiratory Diseases in South Delhi’s Mehrauli, Asha promised her son she would not leave his side. Nineteen-year-old Nitish was reluctant to be admitted to a government hospital, even after doctors said he needed further tests to understand the cause of his sudden breathlessness. He had been struggling to breathe for two or three days – something he had never experienced before – and his family...