Page 7 - OUR ENVIRONMENT AND POLLUTION

1. AIR POLLUTION
1 . A I R P O L L U T IO N

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• •The presence or introduction of harmful
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substances into the air that can have harmful
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effects is known as air pollution.
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• •Air pollution can be caused by nature or man.
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Pollution such as forest fires, decaying organic
P o l l u t i o n s u c h a s fo r e s t f i r e s , d e c a y i n g o r g a n i c
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matter, volcanoes, dust storms, etc. are

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e x a mp l e s o f p o l l u t i o n c a u se d b y n a t u r e .
examples of pollution caused by nature.
Smoke from forest fires Smoke from volcanoes
S moke f r om f or es t f ir es S moke f r om v olcanoes