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, ...

The South Asian countries of Pakistan, India and Bangladesh are among the most polluted countries in the world while Australia, New Zealand and Iceland are among the least polluted countries, a new ...

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these cities – 13 – are in the world’s most populous country, India, where booming ...

About 90% of the global population in 2022 experienced unhealthy air quality, and only six countries met the World Health Organization's recommendations of safe air pollutant levels, according to a ...

Pakistan continues to face a deepening air pollution crisis, ranking as the world’s third most polluted country, with average PM2.5 levels recorded at ...