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Pollution

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INTRODUCTION
Environment, encompasses all living and non living things occurring on Earth or some region thereof and the interaction of all living species.
Types of Environment:
(i) Natural environment: It includes air, water, light, soil, forests, plants, and animals etc.
(ii) Artificial environment: The objects of our surrounding which are manmade are artificial environment.
(iii) Biological environment: It includes all living organisms that surround us.

ENVIRONMENTAL POLLUTION
Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem.
Pollution leads to depletion of the ozone layer, global warming and climate change.
Pollution can take many forms. The air we breathe, the water we drink, the ground where we grow our food, and even the increasing noise we hear every day—all contribute to health problems and a lower quality of life.

TYPES OF POLLUTION
WATER POLLUTION
NOISE POLLUTION
LAND POLLUTION
AIR POLLUTION

AIR POLLUTION
It is defined as the presence in the atmosphere of one or more contaminants in such quality and for such duration as is injurious, or tends to be injurious, to human health or welfare, animal or plant life.
Industries, vehicles, increase in the population, and urbanization are some of the major factors responsible for air pollution.
Major Air
Carbon monoxide (CO)
Carbon dioxide (CO2)
Chloroflorocarbons (CFC)
Ozone
Nitrogen oxide (Nox)
Sulphur dioxide (SO2)
Suspended particulate matter (SPM)

EFFECTS OF AIR POLLUTION
Air pollution can cause health problems and it can also damage the environment and property.
It has caused thinning of the protective ozone layer of the atmosphere, which is leading to climate change.

WATER POLLUTION
When toxic substances enter lakes, streams,

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