Due to the implementation of the stricter norms, the level of the soot and carbon has decreased the nevertheless number of people buying a car has increased and it has enhanced the cumulative quantity of the pollutants in the atmosphere.
Growing population and developing economy has resulted in massive industrialization. Big and small companies are opening manufacturing plants to produce goods and accessories. Some of the units release pollutants as the bye product. For instance, dye making factories are known to cause pollution no matter how they follow the norms of the government.
Rise of carbon mono oxide: The rise of the carbon content in the atmosphere is accompanied by the global warning. As a result, the average temperature of the environment increases. Scientists have predicted that the world will face more floods because the glaciers in the mountains may melt. It is bound to cause untold destruction to the people in plains. Look at your vicinity and you would find a lot of people suffering from respiratory trouble.
Moreover, people exposed to harmful pollutants are likely to suffer from cancer and other types of life-threatening diseases. Ozone layer plays an important role in the protection of the environment as it blocks the entry of the harmful ultraviolet rays. Increased level of radiation can cause skin cancer to the individuals. Carbon reacts with ozone gas resulting in its depletion in the atmosphere.
Moreover, appliances that release CFC or chlorofluorocarbons can cause similar issues. Indiscriminate use of fertilizers such as pesticides and insecticides can reduce the fertility of the soil and result in the reduction of the crop production. Air pollutants are broadly classified into particulate and gaseous. The particulate substances include solid and liquid particles. The gaseous include substances that are in the gaseous state at normal temperature and pressure.
The air pollutants have adverse effect on human beings, animals, vegetation, buildings. Aesthetic sense is also influenced by air pollutants. The different air pollutants and their effects are as follows:.
It is of two types—settleable and suspended. The settleable dusts have a particle longer than 10 am. The smaller particles are able to remain suspended for long periods in the air. The important effects of particulate matter are. Smog harms plant life through glazing and necrosis besides reduced availability of light. In human beings and animals it produces respiratory troubles. It is formed by incomplete combustion of carbon fuels in various industries, motor vehicles, hearths, kitchens, etc.
Carbon monoxide combines with haemoglobin of blood and impairs its oxygen carrying capacity. At higher concentration, carbon monoxide proves lethal. They occur mainly in the form of sulphur dioxide. It is produced in large quantity during smelting of metallic ores and burning of petroleum and coal in industries, thermal plants, home and motor vehicles.
In the air, SO 2 combines with water to form sulphurous acid H 2 SO 3 which is the cause of acid rain. It causes chlorosis and necrosis of vegetation. Sulphur dioxide, above 1 ppm, affects human beings. It causes irritation to eyes and injury to respiratory tract. It results in discolouration and deterioration of buildings, sculptures, painted surfaces, fabrics, paper, leather, etc. They are produced naturally through biological and non-biological activities from nitrates, nitrites, electric storms, high energy radiations and solar flares.
Human activity forms nitrogen oxides in combustion process of industries, automobiles, incinerators and nitrogen fertilizers.
Nitrogen oxides act on unsaturated hydrocarbons to form peroxy-acyl nitrates or PAN. It gives rise to photochemical smog.
They cause eye irritation, respiratory troubles, blood congestion and dilation of arteries. Due to excessive combustion activity, the content of C0 2 has been steadily rising. As carbon dioxide accumulates in the atmosphere it absorbs more and more of the reflected infrared radiation. This could cause an increase in temperature referred to as the green house effect.
Melting polar ice caps and glaciers could cause sea levels to rise, flooding most of the major population centres and fertile lands. Phosgene COCl 2 is a poisonous and suffocating volatile liquid which is employed in dye industry and synthesis of organic compounds. They are widely used as disinfectants.
In fact air pollution is the occurrence or addition of foreign particles, gases and other pollutants into the air which have an adverse effect on human beings, animals, vegetation, buildings, etc.
Causes of Air Pollution Air pollution is the introduction of chemicals, particulates, biological materials, or other harmful materials into the Earth's atmosphere, possibly causing disease, death to humans, damage to other living organisms such as food crops, or the natural or built environment. The atmosphere is a complex natural gaseous system .
Effect on auditory sense organs: Noise-pollution have negative effects on hearing or auditory sense organs. It can also cause deafness, tiredness, and mental losses. It can also cause deafness, tiredness, and mental losses. One effect of pollution is that it affects the human respiratory system and causes heart problems. It is also well known to cause some cancer and other body problems. Many people have died directly and indirectly as a result of air pollution. In areas affected most by air pollution children commonly suffer from pneumonia and asthma.
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