Some countries are known for having dangerously high pollution levels, poor sanitation, and large amounts of unmanaged waste. These problems are usually caused by overpopulation, industrial activity, ...

Lagos, Nigeria — Nigerian shop manager Olarewanju Ogunbona says he uses Styrofoam and plastic packs at least five times a day — nothing unusual in the megacity of Lagos, one of the world's most ...

Six out 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 city globally, ...

Authorities in Lahore, Pakistan, deploy "anti-smog guns" to curb air pollution ahead of the winter smog season. Pakistan regularly ranks among the world's most polluted countries, with Lahore often ...