Millions of lives in India have been lost because of air pollution. The programme Insight looks at how a growing middle class ...

Here's an overview of the top 10 most polluted countries, ranked by their annual average PM2.5 concentration (measured in micrograms per cubic meter). Countries like Nepal, Uganda, and Rwanda also ...

BYRNIHAT, India, April 21 (Reuters) - Two-year-old Sumaiya Ansari, a resident of India's Byrnihat town which is ranked the world's most polluted metropolitan ... just India's cities, including ...