Environmental Pollution and Their Effects

The Pollutant:

It is a material which is present in excess of the natural concentration and produces a bad effect upon the environment. For example, fertilizers having nitrate in them are added so as to increase plant growth. But an excessive nitrate concentration present in drinking water can be toxic, especially to children’s.

Thus, “Anything or any substance, if present in undesirable concentrations and in the wrong place at the wrong time is a pollutant.”

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The Source:

It is the system (material or activity) which releases the pollutant.

Receptor:

It is something that is affected by the pollutant.

Sink:

It is the store where the pollutant is received and stored for a long time.

Pollution or Environmental Pollution:

It can be defined as an undesirable change in the physical, chemical or biological characteristics of our environment by the introduction of substances or energy by human into the environment.

Environmental pollution is liable to cause hazards to human health, harm to living resources, damage to structures, interference with legitimate uses of environment and/or harm to ecological systems.

Environmental Pollution Process:

In it, a pollutant originates from a source. It gets transported by air or water or is dumped on land by humans. Some of the pollutant is assimilated (adsorbed) or chemically changed by the environment. The remaining pollutant build up to concentrations which are harmful to the environment.

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