Kids suffer most in one of Earth's most polluted cities. In winter, coal stoves and power plants choke Mongolia's capital, Ulaanbaatar, with smoke - and lung disease.

Air pollution in a global phenomenon. 91% of the world’s population lives in places where air quality exceeds the World Health Organization guideline limits (WHO).
WHO estimates that around 7 million people die every year from exposure to fine particles (Pm 2.5) in polluted air that lead to diseases such as stroke, heart disease, lung cancer, chronic obstructive pulmonary diseases and respiratory infections, including pneumonia. Worldwide more deaths per year are linked to air pollution than to automobile accidents.
In the Mongolian capital Ulan Bator, the combination of climate change, an increasing population, limited infrastructure and heavy dependence on coal has created one of the worst cases of air pollution in the world.

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https://www.nationalgeographic.com/environment/2019/03/mongolia-air-pollution/

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