- Slides: 17
What is air pollution ? • Air is a mixture of many gases including: Nitrogen, Oxygen, Carbon Dioxide, Water Vapor and “trace” gases. • Any change in the atmosphere that has harmful effects is called air pollution. • Any substance that causes pollution is called a pollutant.
What are the sources of air pollution? • mobile sources – such as cars, buses, planes, trucks, trains … • stationary sources – such as power plants, oil refineries, industrial facilities, and factories. • area sources – such as agricultural areas, cities, and wood burning stoves. • natural sources – such as wind-blown dust, wildfires, and volcanoes.
Polluted air is the cause of many diseases
How do we keep the most important?
How can we help to keep nature alive ?
About half the world's population breathe air that is officially (W. H. O) recognized as harmful to health.
Required measures One method to reduce the rate of air pollution is to remove from fuel, contaminants such as lead, which damages the brains of children.
To manage control over the content of exhaust gases
Plants play a crucial role in helping to maintain clean air.
Forests - the lungs of the planet, the main source of oxygen, the main source of capturing carbon dioxide.
It is necessary to protect them from uncontrolled deforestation and destruction.
Preserving clean air for our and future generations is not only the task of mankind as a whole, but for each and every individual. You need to think about this!
Our planet is wonderful!