Đáp án:

 Air pollution is one of the most common kinds of pollution and is caused by the emission of various pollutants into the atmosphere through different activities such as mining, combustion, industrial production, transportation, and energy generation. Air pollution is very common and can cause a variety of problems for health and the environment. Its effects include poor air quality, global warming, greenhouse gas emissions and ozone depletion, among others.

To solve the problem of air pollution, we need to reduce emissions of pollutants, improve energy efficiency, and use cleaner energy sources. We should also promote sustainable transportation and lifestyles to tackle the issue.

By doing so, air pollution will no longer be a big problem