The following is a list of the top 5 most polluted countries in the world, based on data from the World Health Organization (WHO) and other sources:
Factors contributing to pollution in these countries include high levels of industrial activity, urbanization, population growth, and a lack of effective environmental regulations and enforcement. The main sources of pollution in these countries include transportation, industry, power generation, and household use of solid fuels for cooking and heating. Industries often emit large amounts of pollutants into the air, water, and soil.
These country’s transportation system relies heavily on motor vehicles, which emit large amounts of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter. They relies heavily on the burning of fossil fuels, such as coal and oil, for power generation, which leads to emissions of carbon dioxide and other pollutants. Most of them are an agricultural country, and the use of pesticides and fertilizers in farming has led to contamination of water and soil.
Other polluted countries are Mongolia, Nepal, United Arab Emirates (UAE), Nigeria, Indonesia, Cameroon, Myanmar, Egypt, Ghana.