KARACHI: Smoke billows from a brick kiln in Karachi; 11 July 2019.Air pollution is a ‘public health emergency’, according to the WHO, with more than 90% of the global population enduring toxic outdoor air. New analysis indicates 8.8 million early deaths each year — twice earlier approximations — making air pollution a bigger killer than tobacco smoking. INP PHOTO by S Akber

KARACHI: Smoke billows from a brick kiln in Karachi; 11 July 2019.Air pollution is a ‘public health emergency’, according to the WHO, with more than 90% of the global population enduring toxic outdoor air. New analysis indicates 8.8 million early deaths each year — twice earlier approximations — making air pollution a bigger killer than tobacco smoking. INP PHOTO by S Akber