Rajshahi, a city in Bangladesh, used to be known for was air pollution. Locals battled dust and smog, often leaving windows closed on stifling summer days to avoid gathering a layer of dirt inside. It was ranked as one of...
A travel company sent bags of fresh air to Zhengzhou, one of the 10 most polluted cities in China. The Henan-based travel agency shipped 20 bright blue bags containing air from Laojun Mountain to the city where they were...