Today, city pollution is a big problem for society. Especially, indoor air pollution is the most serious. Air pollution has a big effect on people’s health. For example, mold and fungus appear in homes that have a lot of moisture. Particulate plastics or carbon monoxide, when inhaled, can cause headaches. So people should live in a more eco-friendly way. For example, a person should not throw trash carelessly, or burn things that produce smoke.
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