Previous Back To Gallery Next Babytaxis spewing out noxious fumes in traffic snarl, December 6, 01. Air pollution is an endemic problem in Dhaka city, which is perhaps the world’s most polluted metropolis. All attempts to reduce the menace have failed time and again. The scourge has led to a growing number of patients seeking medical help for diseases of the respiratory system. --Photo: Tarif Rahman Independent-Bangladesh, 9 Dec 01.