Environmental Pollution || Pollution ||What is Pollution?||Types of Pollution ||Air Pollution
Environmental Pollution || Pollution ||What is Pollution?||Types of Pollution ||Air Pollution
Environmental POLLUTION
In recent days, everyone speaks about pollution. We are all facing huge risks due to pollution.
The air we breathe, the water we drink and the place where we live and work in may be full of toxic substances.
The adverse effects of these pollutants may affect the future generation also.
Pollution |What is Pollution?
Pollution may be defined as the excessive discharge or addition
of unwanted and undesirable foreign matters into the environment that
causes huge damage to the life and properties of human, plants and
animal.
of unwanted and undesirable foreign matters into the environment that
causes huge damage to the life and properties of human, plants and
animal.
Environment includes air, water and land. The harmful substances that
cause damage are called pollutants.
cause damage are called pollutants.
Pollutants are discharged from various industries, automobiles, microorganism, volcanic eruptions, forests and strong winds.
Causes of pollution
The following are the main causes of pollution.
1. Huge increase in population.
2. Rapid industrialization.
3. Rapid urbanization.
4. Uncontrolled exploitation of nature.
5. Radioactive substances.
6. Volcanic eruptions, etc.
Types or Classification of pollution ||What types of Pollution are there?
To understand the magnitude of pollution problems, it may be classified into three types as follows.
1. Air pollution
2. Water pollution
3. Land pollution
2. Water pollution
3. Land pollution
Air pollution
Air Pollution may be defined as the excessive discharge or addition of unwanted and undesirable foreign matters into the atmosphere that causes huge damage to the life and properties of human, plants and animals.
Causes of Air Pollution
Gaseous pollutants like sulphur dioxide, hydrogen sulphide, hydrogen fluoride, carbon monoxide and dust are the most important primary air pollutants.
Air pollutants
1) Sulphur dioxide(SO2)
Source of Sulphur dioxide(SO2)
Petroleum industry,
thermal power station,
sulphuric acid
manufacturing plants,
etc.
thermal power station,
sulphuric acid
manufacturing plants,
etc.
Harmful effects of Sulphur dioxide(SO2)
Causes respiratory diseases,
eye irritation, throat troubles,
damage to agriculture, etc.
eye irritation, throat troubles,
damage to agriculture, etc.
2) Hydrogen sulphide(H2S)
Source of Hydrogen sulphide(H2S)
Petroleum industries, paper industries, leather industries, etc.
•Harmful effects of Hydrogen sulphide(H2S)
Causes eye irritation, severe
throat pain, headache,
corrosion of metals, etc.
throat pain, headache,
corrosion of metals, etc.
3) Hydrogen fluoride(HF)
•Source of Hydrogen fluoride(HF)
Fertilizer industry,
aluminium industry, etc.
aluminium industry, etc.
Harmful effects of Hydrogen fluoride(HF)
Causes irritation, respiratory
diseases, bone disorders, tooth
disorders, etc.
diseases, bone disorders, tooth
disorders, etc.
4) Carbon monoxide(CO)
Source of Carbon monoxide(CO)
Automobile industry, oil
refineries, cigarette
smoke, etc.
refineries, cigarette
smoke, etc.
Harmful effects of Carbon monoxide(CO)
Causes headache, visual
difficulty, paralysis, etc.
difficulty, paralysis, etc.
5) Dust
Sources of Dust
Cement industry,
mines, glass industry,
ceramic industry,
agricultural industry,
etc.
mines, glass industry,
ceramic industry,
agricultural industry,
etc.
Harmful effects of Dust
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