What are the major atmospheric pollutants and where do they come from? Discover what air pollution means for the environment and how it affects humans, from smog to acid rain.
- Transportation and burning fossil fuels are the main causes of air pollution.
- Air pollution can cause health problems, such as asthma and bronchitis.
- Smog occurs when chemical pollutants react with sunlight.
- Acid rain contaminates rivers and corrodes buildings.