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Causes of air pollution

Air pollution is caused by human activities and

natural disasters.

Human activities that pollute the air are - burning

fossil fuels, smoke released by manufacturing
activities, household cleaning products, chemical-
Smoke from factories
based pesticides used in farming.

Pollution in the air can be caused by natural

disasters such as the dispersal of pollen, forest

fires, volcanic eruptions, evaporation of organic
compounds and natural radio activity.

Natural disasters rarely cause air pollution.

Air pollution by natural disasters

Did You Radiation is the energy emitted from a source. Heat or light from sun, microwaves
Know? from an oven, X-rays from an x-ray tube are radio-active elements. Radiation is
being used to help humans in medical, academics, and industry, as well as to
generate power. It also has practical applications in agriculture, archaeology,
space exploration, law enforcement, geology and a variety of other fields.

How do we keep air clean?

• Grow more trees in your neighbourhood.

• Keep your surroundings neat and clean.

• Walk or cycle to nearby places.

• Build factories away from residential areas.
Keep air clean
Uses of air

We need air to breathe and to live. Plants and animals also need air to

breathe.

• Air is useful to fly kites.

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