President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

Mar. 12, 2025 — New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being ...

The only city outside of Asia featured on the list is N’Djamena, the capital of Chad in central Africa – which was named the country with the worst air pollution. Meanwhile the cities with the ...

HONG KONG — Six of the world’s 10 most polluted cities are in India, while California has the worst air pollution in North America, a new report shows. New Delhi was the most polluted capital ...