What causes air pollution?

The main cause of air pollution on our planet is human activities. A lot of harmful substances are thrown away by vehicles used for movement, as well as factories and factories in which a person produces his products. Air pollutants: dust, carbon dioxide, sulfur oxides, radioactive elements and others. There is also a natural reason for the emission of carbon dioxide into the Earth’s atmosphere – the activity of our planet’s volcanoes. Air pollution is one of the world’s environmental problems.