Rows of bamboo trees and colourful flowers on the banks of the lake make this place even more beautiful. Dawki Lake, located near Mawlynnong village, was named the cleanest village in Asia in 2003.

Nine out of the world’s 10 cities with the worst air pollution are in South Asia. Concentrations of fine particulate matter (PM 2.5) in some of the region’s most densely populated and poor areas are ...