Air Pollution, Politics Pose Cross-Border Challenges in South Asia

Women, wearing masks, visit a market in Lahore, Pakistan, Jan. 15, 2024. A tractor releases smoke as it moves along a road as smog envelops the area, in Lahore, Pakistan, Jan. 15, 2024.

The air smells burnt in Lahore, a city in Pakistan's east that used to be famous for its gardens but has become infamous for its terrible air quality.